Cajun Potato Soup Recipe (Creamy, Spicy & Satisfying)

Comfort food warmth with a Cajun kick—weeknight-easy in ~45 minutes

A velvety potato soup infused with Cajun spices and the “holy trinity” (onion, celery, bell pepper), with optional andouille for smoky heat and plenty of cozy, family-friendly toppings.

Creamy Cajun potato soup in a bowl, topped with green onion and andouille slices, on a marble surface with spoon and napkin.

Why you’ll love it

  • Comfort Food Recipes: Creamy, hearty bowl with classic Cajun aromatics and just-right heat.
  • Easy Dinner Ideas: One pot, simple steps, pantry spices; ~45 minutes start to finish.
  • Family Meals: Custom spice level and toppings bar so everyone builds their perfect bowl.
  • Soup Recipes: Naturally thickened by potatoes—silky without a heavy roux.
  • Winter Recipes: Cozy and rib-sticking; reheats great for next-day lunches.

Ingredients (notes only)

Produce & aromatics

  • Yukon Gold or russet potatoes (creamy body), onion, celery, green bell pepper, garlic.
    Fat & liquid
  • Butter or olive oil; low-sodium chicken or vegetable broth.
    Dairy
  • Milk + half-and-half (or evaporated milk) for creaminess; sour cream for finish (optional).
    Seasoning
  • Cajun seasoning (paprika, garlic, onion, oregano, cayenne), bay leaf, kosher salt, black pepper; hot sauce to taste.
    Optional protein & toppings
  • Andouille sausage (smoky heat), or diced cooked chicken; cheddar or pepper jack, sliced green onion/chives, crisp bacon, parsley.
    • Food safety: Cook raw pork/beef andouille to 160°F; poultry andouille or added chicken to 165°F.

Step-by-step

  1. Brown the sausage (optional): In a 5–6 qt pot over medium heat, sear sliced andouille 3–4 min; remove to a plate.
  2. Sweat the trinity: Add butter/oil if needed. Cook onion, celery, and bell pepper with a pinch of salt 5–6 min until soft. Add garlic 30 sec.
  3. Season & simmer: Stir in Cajun seasoning, potatoes, bay leaf, broth, salt, and pepper. Bring to a boil; reduce to a lively simmer 12–15 min until potatoes are fork-tender.
  4. Thicken naturally: Mash some potatoes in the pot with a masher (or 2–3 short immersion-blender pulses) to create body while keeping texture.
  5. Make it creamy: Stir in milk and half-and-half; keep heat low and do not boil after dairy.
  6. Finish: Return sausage to the pot (or stir in cooked chicken—heat to 165°F). Adjust salt, pepper, and cayenne or hot sauce to taste.
  7. Serve: Ladle into bowls; top with cheese, green onion, bacon, and parsley.

Pro tips

  • Control the heat: Start with mild Cajun blend; add cayenne or hot sauce at the end.
  • Best potatoes: Yukon Golds stay silky; russets deliver extra body—both work well.
  • No curdling: Add dairy after potatoes are tender and keep just below a simmer.
  • Smoky depth: A pinch of smoked paprika boosts flavor even without sausage.
  • Lighter option: Sub 2% milk + extra broth; finish with Greek yogurt instead of sour cream.
  • Make-ahead: Cook base and chill; reheat gently and add dairy just before serving.

Variations

  • Vegetarian Cajun Potato Soup: Skip sausage; use olive oil and vegetable broth. Add smoked paprika and a splash of liquid smoke for depth.
  • Cajun Corn & Potato: Stir in 1–1½ cups sweet corn at the end; warm through.
  • Creamy Shrimp & Potato: Fold in peeled shrimp; simmer gently until opaque (to 145°F).
  • Extra-Cheesy: Melt in 1 cup pepper jack or sharp cheddar before serving.

How to serve

  • With warm cornbread or crusty bread, a crisp green salad, and hot sauce on the table for heat-seekers.

Make ahead & storage

  • Fridge: 3–4 days in airtight container. Reheat slowly; loosen with broth or milk.
  • Freeze: Best before adding dairy (up to 2 months). Stir in dairy after reheating.
  • Reheat safety: If using sausage or chicken, ensure pieces reach 165°F when reheated.

FAQs

How spicy is it?
Moderate by default; dial heat with cayenne/hot sauce at the end.

Can I make it gluten-free?
Yes—no flour needed. Thicken by mashing potatoes or 1 Tbsp cornstarch slurry if desired.

What if I only have russets?
Use them—just avoid over-blending to prevent gumminess.

Can I add bacon instead of sausage?
Yes—crisp 4–6 slices first; use 1 Tbsp drippings plus butter to sauté aromatics.

Will it work without dairy?
Yes—use unsweetened oat/cashew milk and olive oil; skip cheese/sour cream.

Simple Nutrition (estimate per serving, 1/6 recipe; with sausage optional)

~370 Calories • Protein 14g • Carbs 44g • Fat 16g • Fiber 4g • Sodium 900mg • Sugar 6g

Sarah

Cajun Potato Soup Recipe

Creamy potato soup with Cajun spices, sweet sautéed trinity, and optional andouille for a smoky kick. One-pot and weeknight-easy with slow cooker and Instant Pot options.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 6 servings
Course: Dinner, Soup
Cuisine: American-Cajun
Calories: 370

Ingredients
  

  • 12 oz andouille sausage, sliced (optional; see temps)
  • 2 Tbsp unsalted butter (or olive oil)
  • 1 medium yellow onion, diced
  • 2 ribs celery, diced
  • 1 green bell pepper, diced
  • 3 cloves garlic, minced
  • 2 lb potatoes (Yukon Gold or russet), peeled and ½-inch diced
  • 4 cups low-sodium chicken or vegetable broth
  • 1 cup whole milk
  • 1 cup half-and-half (or 12 oz evaporated milk)
  • 1½–2 tsp Cajun seasoning, to taste
  • 1 bay leaf
  • ¾–1 tsp kosher salt, to taste
  • ½ tsp black pepper
  • Hot sauce or cayenne, to taste
  • 1 cup shredded cheddar or pepper jack (optional, for serving)
  • 2–3 green onions or chives, thinly sliced (for serving)
  • Cooked bacon bits and chopped parsley (optional)

Equipment

  • Dutch oven or soup pot (5–6 qt)
  • potato masher
  • immersion blender optional, for creamier texture
  • cutting board
  • chef’s knife
  • measuring cups
  • measuring spoons

Method
 

  1. In a large pot over medium heat, brown andouille 3–4 minutes; remove to a plate (cook raw pork/beef andouille to 160°F; poultry to 165°F).
  2. Add butter/oil. Sauté onion, celery, and bell pepper with a pinch of salt 5–6 minutes until soft. Stir in garlic 30 seconds.
  3. Add potatoes, broth, Cajun seasoning, bay leaf, salt, and pepper. Bring to a boil; reduce to a simmer 12–15 minutes until tender.
  4. Mash part of the potatoes to thicken (or brief immersion-blend).
  5. Stir in milk and half-and-half; keep below a simmer. Return sausage to the pot. Adjust seasoning and heat with cayenne or hot sauce.
  6. Serve with cheese, green onion, bacon, and parsley.

Nutrition

Calories: 370kcalCarbohydrates: 44gProtein: 14gFat: 16gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 55mgSodium: 900mgPotassium: 950mgFiber: 4gSugar: 6gVitamin A: 850IUVitamin C: 28mgCalcium: 180mgIron: 2.5mg

Notes

Vegetarian: Omit sausage and bacon; use vegetable broth and olive oil.
Dairy-free: Use olive oil and 1–1½ cups unsweetened oat/cashew milk; skip cheese/sour cream.
Gluten-free: No flour needed—thicken by mashing potatoes.
Equipment: 5–6 qt Dutch oven or soup pot; potato masher; immersion blender optional.
Food safety: Raw pork/beef sausage to 160°F; poultry sausage or added chicken to 165°F; reheat leftovers to 165°F.

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