Slow-Cooker Italian Chicken with Tomatoes and Olives

By AislePrompt Editorial · Published 2026-05-12 · Updated 2026-05-12

Tender chicken thighs slow-cooked in a savory tomato sauce with olives and Italian herbs for an effortless comforting meal. This Italian-inspired slow-cooker recipe, ready in about 165 minutes, pairs bone-in skin-on chicken thighs, olive oil, garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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

• 6 pieces bone-in skin-on chicken thighs
• 2 tbsp olive oil
• 4 minced garlic cloves
• 14 oz canned diced tomatoes
• 1/2 cup pitted and sliced black olives
• 1 tsp dried oregano
• 1 tsp dried basil
• 1 tsp salt
• 1/2 tsp black pepper
• 1/4 tsp red pepper flakes
• 2 tbsp chopped fresh parsley

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Instructions

1. Step 1: Heat 2 tbsp olive oil in a large skillet over medium-high heat until hot, then add 6 bone-in skin-on chicken thighs skin-side down. Sear for 4-5 minutes until golden brown, then flip and cook 2 minutes more. Transfer to slow cooker.
2. Step 2: In the same skillet, add 4 minced garlic cloves and sauté for 30 seconds until fragrant. Stir in 14 oz canned diced tomatoes, 1/2 cup sliced black olives, 1 tsp dried oregano, 1 tsp dried basil, 1 tsp salt, 1/2 tsp black pepper, and 1/4 tsp red pepper flakes. Cook for 3 minutes until sauce slightly thickens.
3. Step 3: Pour tomato and olive mixture over chicken in the slow cooker. Cover and cook on low for 5 hours or high for 2.5 hours until chicken is tender.
4. Step 4: Garnish with 2 tbsp chopped fresh parsley before serving with crusty bread or pasta.