Whole30 Crockpot Herb Chicken with Carrots and Celery
Simple yet elegant chicken thighs slow-cooked with aromatic herbs and crisp vegetables, requiring minimal effort for maximum flavor. This American-inspired slow-cooker recipe (whole30), ready in about 375 minutes, pairs chicken thighs, avocado oil, yellow onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 calories and feeds 4, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1.5 lbs chicken thighs
- 2 tbsp avocado oil
- 1 large yellow onion
- 3 cloves garlic
- 2 carrots
- 2 stalks celery
- 1 cup low-sodium chicken broth
- 1 tbsp fresh rosemary
- 1 tsp fresh thyme
- 1/2 tsp salt
- 1/4 tsp black pepper
The slow cooker we’d leave this in all day → Best Slow Cookers in 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Season the 1.5 lbs bone-in, skin-on chicken thighs with 1/2 tsp salt and 1/4 tsp black pepper, then heat 2 tbsp avocado oil in a large skillet over medium-high heat until shimmering; sear the chicken for 3-4 minutes per side until golden brown, then transfer to the slow cooker.
- Step 2: Add the 1 large yellow onion, diced, and 3 cloves garlic, minced, to the skillet, sautéing for 2-3 minutes until softened and fragrant, then pour over the chicken in the slow cooker.
- Step 3: Add the 2 carrots, peeled and sliced into 1/2-inch rounds, 2 stalks celery, sliced, 1 cup low-sodium chicken broth, 1 tbsp fresh rosemary, and 1 tsp fresh thyme to the slow cooker, then stir to combine; cover and cook on low for 6 hours until chicken is tender and vegetables are cooked through.
