Gluten Free Potato Soup (Creamy, Celiac-Safe, No Flour)

There is a specific moment about fifteen minutes into a pot of potato soup. The kitchen starts to smell like bacon fat and sautéed onion. I know the rest of the pot is going to take care of itself.

This gluten free potato soup is the recipe I make when the weather turns. I want something thick, creamy, and built entirely from scratch, with no flour or roux standing between me and a safe bowl of soup.

What makes this gluten free potato soup different is the broth. After testing four batches side by side, I found that the broth brand mattered more than almost any other ingredient here. Broth is one of the most common places hidden gluten shows up in an otherwise simple soup. This recipe names a certified brand for that exact reason.

Keep reading and you will find the full breakdown of why russet potatoes thicken this soup on their own. You will also find every celiac-safety detail I check before this gluten free potato soup ever reaches my table.

Why You Will Love This Gluten Free Potato Soup

• Naturally thickened, no flour needed: blended russet potatoes do all the thickening work, so there is no roux or cornstarch slurry to manage.
• Deeply savory from real bacon fat: the mirepoix sautés directly in rendered bacon grease, which builds flavor into the base instead of just the topping.
• Ready in 50 minutes: this gluten free potato soup is a genuine weeknight option, not a weekend project.
• Celiac-safe at the ingredient level: the broth carries GFCO certification, and every other flagged ingredient has a specific safety note.
• Dairy-free option included: tested swaps for both the milk and the sour cream, not just a theoretical substitution.
• Loaded with classic toppings: crispy bacon, sharp cheddar, and green onion turn this soup into a full meal.

Claire Donovan

Gluten Free Potato Soup

This gluten free potato soup is thick, creamy, and naturally thickened with blended russet potatoes, no flour or roux needed. A certified gluten free chicken broth and a full celiac safety note make it safe for people with celiac disease.

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Prep Time 15 minutes mins

Cook Time 35 minutes mins

Total Time 50 minutes mins

Servings: 6 servings

Course: Dinner, Soup

Cuisine: American

Calories: 310

Ingredients Equipment Method Nutrition Notes

Ingredients

  

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For the Soup

• 6 slices bacon check label for smoke flavoring or seasoning blends
• 1 large yellow onion, diced
• 1/2 cup carrot, diced
• 1/2 cup celery, diced
• 4 cloves garlic, minced
• 4 cup certified gluten free chicken broth Imagine Organic Free Range Chicken Broth recommended, GFCO-certified
• 1 tsp salt
• 1/2 tsp black pepper
• 6 cup russet potatoes, peeled and cubed
• 1 1/2 cup milk dairy-free: Gluten-Free Prairie certified gluten free oat milk or full-fat coconut milk
• 1/2 cup sour cream dairy-free: Forager Project Organic Dairy-Free Sour Cream

For Topping

• shredded cheddar cheese block cheese, self-shredded preferred, to avoid pre-shredded anti-caking starches
• sliced green onion
• reserved crispy bacon

Equipment

• Large pot
• Blender or immersion blender

Method

 

Cook the Bacon

1. Fry the bacon in a large pot over medium heat until crisp, about 6 to 8 minutes. Remove the bacon to a paper-towel-lined plate and set it aside for topping. Leave the rendered fat in the pot; it becomes the base for the entire soup.

Build the Base

1. With the bacon fat still in the pot, add the diced onion, carrot, and celery. Sauté over medium heat for 5 to 6 minutes, scraping up any browned bits from the bottom of the pot as you stir.
2. Add the garlic and cook 1 minute more, just until fragrant.

Simmer the Potatoes

1. Add the cubed potatoes, salt, pepper, and certified gluten free chicken broth to the pot. Bring to a boil, then reduce heat and simmer for 10 to 15 minutes, until the potatoes are fork-tender.

Blend for Creaminess

1. Ladle about half of the soup into a blender with 1 cup of the milk, then blend until smooth. Use caution with hot liquid: fill the blender no more than halfway and hold the lid down firmly with a towel over the top.

Finish and Serve

1. Return the blended soup to the pot with the remaining unblended soup. Stir in the rest of the milk and the sour cream until fully combined. Simmer 2 to 3 minutes over low heat, then remove from heat.
2. Ladle into bowls and top with the reserved bacon, shredded cheddar, and green onion. Serve immediately while hot.

Nutrition

Calories: 310kcalCarbohydrates: 36gProtein: 10gFat: 15gSaturated Fat: 6gCholesterol: 36mgSodium: 1166mgFiber: 3gSugar: 7g

Notes

Celiac Safety Note: Confirm every packaged ingredient carries a certified gluten free label. Check specifically: the chicken broth (certified GF recommended, such as Imagine Organic Free Range Chicken Broth), the bacon (check for smoke flavoring or seasoning blends), any dairy-free milk or sour cream substitute, and pre-shredded cheddar if used instead of a block. Cross-contact from shared cutting boards, wooden utensils, and bacon packaging lines is a real risk for people with celiac disease.

Storage: Refrigerate in an airtight container up to 4 days. Freezing has not been tested for this recipe.

Make-ahead: Potatoes can be peeled and cubed up to a day ahead; store submerged in cold water in the refrigerator and drain well before cooking.

Gluten-Free Note

This recipe is designed to be gluten-free when prepared with certified gluten-free ingredients. Always check labels, as ingredient formulations and manufacturing practices can change. If you have celiac disease or a severe gluten allergy, verify that all ingredients are certified gluten-free and appropriate for your dietary needs.

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Ingredients

For the Soup

• 6 slices bacon
• 1 large yellow onion, diced
• ½ cup carrot, diced
• ½ cup celery, diced
• 4 cloves garlic, minced
• 4 cups certified gluten free chicken broth (Imagine Organic Free Range Chicken Broth recommended)
• 1 teaspoon salt
• ½ teaspoon black pepper
• 6 cups russet potatoes, peeled and cubed
• 1½ cups milk (dairy-free: Gluten-Free Prairie certified gluten free oat milk or full-fat coconut milk)
• ½ cup sour cream (dairy-free: Forager Project Organic Dairy-Free Sour Cream)

For Topping

• Shredded cheddar cheese, block cheese self-shredded preferred
• Sliced green onion
• Reserved crispy bacon

Ingredient Notes and Substitutions

Chicken broth: This is the ingredient most likely to carry hidden gluten in this recipe. Most competitor versions of gluten free potato soup never address it at all. I recommend Imagine Organic Free Range Chicken Broth, which carries GFCO certification.

A label that simply says gluten free meets the FDA’s legal standard. Third-party certification is an added layer of confidence for a broth that makes up most of the soup’s liquid.

Russet potatoes: Russets carry more starch than waxy varieties like red or fingerling potatoes. That starch is exactly what thickens this soup once part of the batch is blended. No flour, cornstarch, or roux is needed. This is the food-science reason this gluten free potato soup skips the thickener step entirely.

Bacon: Plain, cure-only bacon is generally safe. Check the label for smoke flavoring or seasoning blends, since both can carry hidden gluten. When in doubt, contact the manufacturer directly.

Milk and sour cream: Plain dairy milk and dairy sour cream are naturally gluten free. For dairy-free, I tested Gluten-Free Prairie’s certified gluten free oat milk and Forager Project Organic Dairy-Free Sour Cream. Both held up well in the final texture. Standard oat milk that is not certified gluten free is not safe here, since oats are frequently cross-contacted during growing and processing.

Cheddar cheese: Block cheese that you shred yourself is the safest option. Pre-shredded cheese sometimes contains starch-based anti-caking agents, which can be a hidden gluten source depending on the brand.

Cross-contact matters here too, not just labels. Use a cutting board and knife that have not touched bread or other wheat products for the onion, carrot, and celery. Avoid stirring with a wooden spoon that has been used in gluten-containing cooking, since wood can hold onto gluten residue even after washing.

Celiac Safety Note: Please confirm every packaged ingredient carries a certified gluten free label before you start this gluten free potato soup. Check specifically: the chicken broth (certified GF recommended, such as Imagine Organic) and the bacon (check for smoke flavoring or seasoning blends). Also check any dairy-free milk or sour cream substitute, and pre-shredded cheddar if you use it instead of a block.

Cross-contact from shared cutting boards, wooden utensils, and bacon packaging lines is a real risk for people with celiac disease. It is worth checking even when every label looks clean.

How to Make Gluten Free Potato Soup

Step 1: Cook the Bacon

Fry the bacon in a large pot over medium heat until crisp, about 6 to 8 minutes. Remove the bacon to a paper-towel-lined plate and set it aside for topping. Leave the rendered fat in the pot; it becomes the base for the entire soup.

Step 2: Build the Base

With the bacon fat still in the pot, add the diced onion, carrot, and celery. Sauté over medium heat for 5 to 6 minutes, scraping up any browned bits from the bottom of the pot as you stir. Those browned bits carry concentrated flavor, so do not skip the scraping.

Add the garlic and cook 1 minute more, just until fragrant.

Step 3: Simmer the Potatoes

Add the cubed potatoes, salt, pepper, and certified gluten free chicken broth to the pot. Bring everything to a boil. Reduce the heat and simmer for 10 to 15 minutes, until the potatoes are fork-tender.

Step 4: Blend for Creaminess

Ladle about half of the soup into a blender along with 1 cup of the milk, then blend until smooth. Use caution when blending hot liquid: fill the blender no more than halfway, and hold the lid down firmly with a towel over the top.

Blending only half the soup is intentional. It thickens the base while leaving whole potato pieces for texture, so this gluten free potato soup does not end up as a uniform puree.

Step 5: Finish and Serve

Return the blended soup to the pot with the remaining unblended soup. Stir in the rest of the milk and the sour cream until fully combined. Simmer for 2 to 3 minutes over low heat, then remove from the heat.

Ladle into bowls and top with the reserved bacon, shredded cheddar, and green onion. Serve immediately while hot.

Expert Tips for Best Results

• Do not skip scraping the pot in Step 2. The browned bits left from the bacon are where most of the savory depth in this gluten free potato soup comes from.
• Blend in batches if your blender is small. Filling it more than halfway with hot soup risks a dangerous steam buildup, so work in two smaller batches if needed.
• Cut the potatoes to a uniform size. Uneven cubes cook unevenly, and some pieces will turn mushy while others stay firm at the 15-minute mark.
• Taste before you add the final salt. Broth brands vary widely in sodium, so what tastes right with one certified GF broth may need adjusting with another.
• Stir the sour cream in off direct heat. Adding it while the pot is at a hard simmer can cause it to separate slightly instead of blending in smooth.
• Keep more cozy, celiac-safe bowls in rotation. My gluten free chicken noodle soup follows the same certified-broth approach as this gluten free potato soup.

Substitutions and Variations

Dairy-free version: Use Gluten-Free Prairie’s certified gluten free oat milk or full-fat coconut milk in place of dairy milk. Swap in Forager Project Organic Dairy-Free Sour Cream for the sour cream. The texture is slightly less rich but still thick and satisfying.

Heavy cream swap: For a richer gluten free potato soup, replace the 1½ cups of milk. Use ½ cup heavy cream plus 1 cup of the certified GF broth instead. This adds richness without thinning the final texture.

Loaded baked potato style: Stir an extra cup of shredded cheddar directly into the pot in Step 5. Add a few extra strips of chopped bacon for a richer, cheese-forward version closer to a loaded baked potato.

Lighter version: Skip the bacon entirely and sauté the mirepoix in 2 tablespoons of olive oil instead. Use plain Greek yogurt in place of sour cream for a tangier, lower-fat finish.

Vegetarian version: Swap the certified GF chicken broth for a certified gluten free vegetable broth. Sauté the vegetables in olive oil or butter instead of bacon fat. Skip the bacon topping, or use a plant-based bacon alternative that carries a certified GF label. For more meatless ideas, browse GFF’s gluten free dinner recipes.

What to Serve With Gluten Free Potato Soup

This gluten free potato soup is hearty enough to be a full meal on its own, but a few sides round it out nicely.

• Warm biscuits: Split and buttered, a batch of gluten free biscuits is my favorite way to round out a bowl of this soup.
• A slice of GF bread: A thick slice of gluten free bread, toasted and buttered, is perfect for scooping up the last bit of broth in the bowl.
• A simple green salad: Something acidic and crisp, like a lemon vinaigrette salad, balances the richness of the bacon and cheese.
• A cold pasta salad on the side: If you are serving a crowd, a gluten free pasta salad adds a lighter, room-temperature contrast to the hot soup.
• Extra toppings bar: Set out extra cheddar, bacon, green onion, and even a small bowl of sour cream so everyone can build their own bowl.

Storage and Make-Ahead Instructions

Refrigerator: Store leftover gluten free potato soup in an airtight container in the refrigerator for up to 4 days. The soup will thicken as it chills; thin it with a splash of broth or milk when reheating.

Reheating: Warm gently on the stovetop over medium-low heat, stirring occasionally, until heated through. The microwave also works in 60-second intervals, stirred between each.

Make-ahead tip: The vegetables can be diced and the potatoes peeled and cubed up to a day in advance. Store the cut potatoes submerged in cold water in the refrigerator to keep them from browning, then drain well before cooking.

Freezing this particular soup has not yet been tested in my kitchen, so I cannot give a confirmed verdict either way. If you do try freezing a batch of this gluten free potato soup, I would love to hear how the texture holds up after thawing.

Why Trust This Recipe

I develop recipes the same way I approached lab work, with documented testing and controlled variables. The results need to hold up in any kitchen, not just mine.

This gluten free potato soup has been tested across four separate batches in my dedicated gluten free kitchen. The broth brand and blending ratio were adjusted each round until the texture and flavor were consistent every time.

What that means for you:

• Multiple test batches before publishing
• Science-based notes on key steps throughout
• Honest substitution guidance, not guesswork
• Safe for celiac disease, with cross-contact taken seriously at every step

Frequently Asked Questions

Final Thoughts