Recipe

Low Carb Slow Cooker Chicken Taco Soup

A slow cooker taco soup that brings big flavor, keeps carbs low, and makes leftovers you will actually look forward to.

By Matt Campbell

•

4.8

A bowl of low carb chicken taco soup topped with shredded cheese, diced avocado, cilantro, and a drizzle of lime crema on a rustic wooden table with a spoon

If you love the vibe of taco soup but not the heavy carb overload that can come with chips, beans, and corn doing the most, this one is your new slow cooker move. It is cozy and spoonable, loaded with tender shredded chicken, peppers, and a smoky-spicy broth that tastes like it had way more effort behind it than it did.

The trick is simple: we keep the classic taco flavor base, skip the starchy add-ins, and bring the satisfaction back with toppings. Think shredded cheese, avocado, jalapeño, cilantro, and a fast lime crema that makes everything taste brighter and just a little extra.

Ingredients for low carb slow cooker chicken taco soup on a kitchen counter, including chicken, bell peppers, onion, garlic, canned tomatoes, broth, spices, limes, and toppings

Why It Works

Low carb, not low flavor: smoky chili, cumin, and a little tomato richness give you that taco-shop depth without beans or corn.
Hands-off cooking: the slow cooker does the heavy lifting, and you shred the chicken right in the pot.
Built-in meal prep: it reheats like a dream and tastes even better the next day.
Toppings do the magic: avocado, cheese, and lime crema add richness and freshness so every bowl feels complete.

Pairs Well With

Storage Tips

Refrigerator: Cool completely, then store in airtight containers for 3 to 4 days. Keep toppings separate so they stay fresh.

Freezer: Freeze soup (without dairy toppings) for up to 2 to 3 months for best quality. Leave a little headspace in the container since it expands.

Reheat: Warm gently on the stovetop over medium-low, stirring occasionally, or microwave in 60 to 90 second bursts. If it thickens, loosen with a splash of broth.

Meal prep containers filled with chicken taco soup cooling on a kitchen counter, with lids nearby and toppings separated in small cups

Common Questions

Can I make this with chicken thighs instead of breasts?

Absolutely. Boneless skinless thighs stay extra juicy in the slow cooker. Use the same amount and the same cook time, then shred.

Is this keto?

It can be, depending on your ingredients and your carb target. This soup is low carb, but it still has carbs from onion, peppers, tomatoes, tomato paste, and salsa. If you are doing strict keto, choose no-sugar-added salsa, read labels on broth and canned tomatoes, and calculate your macros based on the brands you use and your portion size.

What can I use instead of salsa?

Use an extra can of diced tomatoes plus 1 to 2 minced chipotle peppers in adobo (or 1 teaspoon chipotle powder) and an extra squeeze of lime. Salsa is convenient, but the soup still works without it.

How do I thicken it without flour or beans?

Two easy options: simmer on High with the lid off for 15 to 25 minutes, or stir in 2 to 4 ounces of cream cheese until melted for a richer, thicker bowl.

Can I put frozen chicken in the slow cooker?

For food safety, it is best to start with thawed chicken so it heats through quickly and evenly. If your chicken is frozen, thaw it in the fridge overnight first for best results.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

6-quart slow cooker
Cutting board and chef’s knife
Can opener
Measuring spoons
Two forks (for shredding) or a hand mixer (optional)
Small bowl for lime crema

I started making low carb slow cooker dinners when I realized I was basically living on “snacks that accidentally became dinner.” You know the ones: a handful of almonds, some cheese, maybe a pickle if I am feeling fancy. This soup fixed that. It is the kind of meal that feels like you took care of yourself, even if you just dumped ingredients in a slow cooker and walked away like a kitchen magician.

Also, I am obsessed with the topping bar energy. Put the pot on warm, set out avocado and cheese, and suddenly a random Tuesday has choose-your-own-adventure dinner vibes.

Low Carb Slow Cooker Chicken Taco Soup

(4.8 Reviews)

Prep Time 15 minutes

Cook Time 6 hours

Total Time 6 hours 15 minutes

Servings 6

Ingredients

Soup

2 lb boneless skinless chicken breasts (or thighs)
1 medium yellow onion, diced
2 bell peppers (any color), diced
4 cloves garlic, minced
1 (14.5 oz) can diced tomatoes, with juices
1 cup salsa (chunky or smooth both work, no-sugar-added if needed)
4 cups chicken broth
2 tbsp tomato paste
2 tbsp chili powder (see heat note below)
2 tsp ground cumin
1 tsp smoked paprika
1 tsp dried oregano
1 tsp kosher salt, plus more to taste
1/2 tsp black pepper
1 tbsp apple cider vinegar
1 lime, juiced

Heat note: Chili powder varies a lot by brand. For mild, use 1 tablespoon. For medium, use 2 tablespoons. For hot, use 2 tablespoons plus a pinch of cayenne or a diced jalapeño added with the peppers.

Diced onion, diced bell peppers, and minced garlic arranged on a cutting board on a bright kitchen counter

Quick lime crema (optional but recommended)

1/2 cup sour cream
1 to 2 tbsp lime juice
Pinch of salt
1 to 2 tbsp water (to thin, if needed)

Topping ideas

Shredded cheddar or Monterey Jack
Diced avocado
Cilantro
Sliced jalapeño
Thinly sliced radishes
Pumpkin seeds (pepitas) for crunch

Instructions

Load the slow cooker: Add onion, bell peppers, and garlic to the slow cooker. Nestle the chicken on top. Pour in diced tomatoes (with juices), salsa, chicken broth, and add tomato paste.
Season and stir: Sprinkle in chili powder, cumin, smoked paprika, oregano, salt, and black pepper. Stir the spices fully into the broth, keeping the chicken mostly in place.
Cook: Cover and cook on Low for 6 to 7 hours or on High for 3 to 4 hours, until the chicken is very tender and reaches an internal temperature of 165°F.
Shred: Remove chicken to a plate and shred with two forks, or shred right in the pot. Return chicken to the soup and stir.
Finish the flavor: Stir in apple cider vinegar and lime juice. Taste and adjust salt. If you want it brighter, add another squeeze of lime. If you want it smokier, add a pinch more smoked paprika.
Make the lime crema: In a small bowl, stir sour cream with lime juice and a pinch of salt. Thin with a splash of water until drizzle-able.
Serve: Ladle into bowls and pile on toppings. My default: cheese, avocado, cilantro, and a generous crema drizzle.