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Tasty Keto Chicken Coconut Soup

A warm and soothing low-carb soup featuring creamy coconut milk, bright lime, and tender chicken, perfect for any weeknight meal.
Prep Time 25 minutes
Cook Time 5 minutes
Total Time 30 minutes
Servings: 4 servings
Course: Dinner, Soup
Cuisine: Asian, Thai
Calories: 350

Ingredients
  

For the Soup Base
  • 2 tablespoons coconut oil (or avocado oil) Use virgin coconut oil for extra coconut aroma.
  • 1 small yellow onion, finely chopped (about 1 cup)
  • 3 cloves garlic, minced
  • 1 tablespoon fresh ginger, grated (about 1 tablespoon)
  • 1-2 Thai red chilies, thinly sliced, seeds removed (optional for milder heat)
For the Broth and Flavor
  • 4 cups low-sodium chicken broth (homemade or store-bought)
  • 1 can (13.5 oz) full-fat coconut milk Use full-fat for creaminess and keto-friendly fats.
  • 2 tablespoons fish sauce (or coconut aminos for less sodium)
  • 2 tablespoons lime juice, freshly squeezed (about 1 large lime)
  • 1 teaspoon lime zest (optional for extra brightness)
For the Chicken and Veggies
  • 1 lb boneless skinless chicken thighs, cut into bite-size pieces (thighs stay tender; breasts work too)
  • 1 cup mushrooms, sliced (shiitake or cremini)
  • 1 cup thinly sliced bok choy or baby spinach (fresh)
  • Salt and freshly ground black pepper to taste
Garnishes
  • Fresh cilantro leaves, chopped
  • Lime wedges
  • Thinly sliced green onions
  • Optional: a drizzle of chili oil or a few basil leaves

Method
 

Preparation
  1. Chop the onion, mince the garlic and ginger, slice the mushrooms and chilies, and cut the chicken into bite-size pieces. Having everything ready makes the cooking seamless.
Sauté Aromatics
  1. Heat 2 tablespoons of coconut oil in a large pot over medium heat. Add the onion and sauté until translucent, about 3 minutes. Add the garlic, ginger, and sliced chilies and cook for 30–45 seconds until fragrant but not browned.
Brown the Chicken
  1. Increase the heat to medium-high, add the chicken pieces, and sear just until the edges are opaque and starting to brown. The chicken will finish cooking in the broth.
Add Mushrooms and Broth
  1. Add the sliced mushrooms and pour in the chicken broth. Bring to a gentle boil, then reduce the heat to a simmer. Skim any foam if needed. Simmer for about 5 minutes until the chicken is nearly cooked through and the mushrooms are tender.
Stir in Coconut Milk and Seasonings
  1. Lower the heat to medium-low and stir in the can of coconut milk, fish sauce, lime juice, and lime zest. Warm through but avoid boiling the coconut milk vigorously. Taste and add salt and pepper as needed.
Add Greens and Finish
  1. Stir in the bok choy or spinach and cook until wilted, about 1–2 minutes. The chicken should register 165°F internal temperature or be fully opaque.
Serve
  1. Ladle into bowls and garnish with cilantro, green onions, and a lime wedge. A final squeeze of lime brightens the soup.

Notes

Use fresh ingredients for the best aromatics. If you need vegetarian, substitute chicken with firm tofu and use vegetable broth and soy/fish-sauce alternative. Refrigerate leftovers in an airtight container for up to 3 days. Reheat gently over low heat to avoid separating the coconut milk.