Whole30 Slow Cooker Herb Chicken Thighs with Vegetables

By AislePrompt Editorial · Published 2026-04-05 · Updated 2026-04-05

Bone-in chicken thighs slow-cooked on low for six hours with garlic, oregano, and thyme over zucchini, bell peppers, and onion for a simple, hands-off Whole30 dinner. This Mediterranean-inspired slow-cooker recipe (whole30), ready in about 375 minutes, pairs Chicken thighs, Zucchini, Bell peppers for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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

• 2 lbs, skin-on, bone-in Chicken thighs
• 2 medium, sliced 1/2-inch thick Zucchini
• 2 medium, any color, sliced into thin strips Bell peppers
• 1 medium, sliced into thin rings Yellow onion
• 4 cloves, minced Garlic
• 2 tbsp Olive oil
• 1 tsp Dried oregano
• 1 tsp Dried thyme
• 1 tsp Sea salt
• 1/2 tsp Black pepper

Slow cookers worth buying for this → Best Slow Cookers in 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Place the 2 lbs skin-on, bone-in chicken thighs in the slow cooker and season evenly with 1 tsp sea salt and 1/2 tsp black pepper.
2. Step 2: Arrange 2 medium sliced zucchini, 2 medium sliced bell peppers, and 1 medium sliced yellow onion around the chicken in the slow cooker.
3. Step 3: In a small bowl, mix 2 tbsp olive oil, 4 minced garlic cloves, 1 tsp dried oregano, and 1 tsp dried thyme; pour the mixture evenly over the chicken and vegetables, then secure the lid and cook on LOW for 6 hours until chicken is cooked through and vegetables are tender.