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Slow Cooker Creamy Tomato Basil Chicken – Tender Chicken in a Rich, Comforting Tomato Cream Sauce

Slow Cooker Creamy Tomato Basil Chicken is the kind of recipe that makes busy days feel effortless. With minimal prep and hands-off cooking, you get fork-tender chicken simmered in a luxurious tomato cream sauce infused with garlic and fragrant basil. It’s cozy, family-friendly, and perfect for weeknights when you want something comforting without hovering over the stove. The slow cooker gently melds flavors over time, creating a sauce that’s velvety and balanced—tomato-forward with a creamy finish and herbal freshness. Serve it over rice, pasta, or vegetables for a meal that feels special but is incredibly easy to make. Perfect for: Busy weeknights Meal prep and leftovers Comfort food lovers Slow cooker dinners
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Prep Time 15 minutes
Cook Time 7 hours
Total Time 7 hours 15 minutes
Servings: 6 servings
Ingredients Equipment Method Notes

Ingredients
  

  • 2 lbs chicken breasts or thighs boneless and skinless
  • 1 tablespoon olive oil
  • 1 medium onion finely chopped
  • 4 garlic cloves minced
  • 1 28-oz can crushed tomatoes
  • 2 tablespoons tomato paste
  • 1 teaspoon dried oregano
  • 1 teaspoon dried basil or use fresh at the end
  • ½ teaspoon smoked paprika
  • Salt and black pepper to taste
  • 1 cup heavy cream
  • ½ cup Parmesan cheese finely grated
  • ½ cup fresh basil leaves chopped
  • These ingredients create a sauce that’s creamy savory, gently herbed, and deeply comforting.

Equipment

  • Slow cooker (4–6 quart)
  • Cutting board
  • Knife
  • Measuring cups and spoons
  • Wooden spoon or spatula

Method
 

Step 1:
  1. Lightly coat the slow cooker with nonstick spray or a small amount of oil.
Step 2:
  1. Place the chicken in the bottom of the slow cooker in an even layer.
Step 3:
  1. Heat the olive oil in a small skillet over medium heat. Add the chopped onion and cook for 3–4 minutes until softened. Add the garlic and cook for 30 seconds until fragrant.
Step 4:
  1. Transfer the onion and garlic mixture to the slow cooker.
Step 5:
  1. Add crushed tomatoes, tomato paste, oregano, dried basil, smoked paprika, salt, and black pepper. Stir gently to combine.
Step 6:
  1. Cover and cook:
  2. Low: 6–7 hours
  3. High: 3–4 hours
  4. until the chicken is very tender.
Step 7:
  1. Remove the lid and stir in the heavy cream and Parmesan cheese until smooth.
Step 8:
  1. Cover again and cook on Low for 20–30 minutes, allowing the sauce to thicken.
Step 9:
  1. Stir in the fresh basil just before serving.
Step 10:
  1. Taste and adjust seasoning if needed. Serve warm.

Notes

🧊 Storage & Reheating
Storage:
Refrigerate leftovers in an airtight container for up to 4 days
Freezing:
Freeze for up to 2 months (add cream after thawing for best texture)
Reheating:
Reheat gently on the stovetop or microwave
Add a splash of cream or water if needed
🥄 Variations
Extra creamy: Add an additional ¼ cup cream
Herb-forward: Add fresh thyme with the basil
Veggie boost: Add spinach in the last 10 minutes
Cheesy finish: Sprinkle extra Parmesan on top
Low-carb: Serve over zucchini noodles or cauliflower rice
Each variation keeps the dish rich, adaptable, and comforting.
❓ 10 FAQs
Can I use chicken thighs?
Yes, they’re extra juicy and work perfectly.
Does the sauce thicken enough?
Yes, especially after adding Parmesan.
Is this dish spicy?
No, it’s mild and family-friendly.
Can kids eat this?
Absolutely.
Can I cook it all on low?
Yes, low heat gives the best texture.
Can I add vegetables?
Yes, add hearty veggies early or greens at the end.
Is browning the chicken required?
No, but sautéing onions boosts flavor.
Can I double the recipe?
Yes, use a larger slow cooker.
What pairs well with it?
Rice, pasta, mashed potatoes, or vegetables.
Does it taste better the next day?
Yes—flavors deepen overnight.
🏁 Conclusion
Slow Cooker Creamy Tomato Basil Chicken is comfort cooking at its easiest. With tender chicken, a rich tomato-cream sauce, and fragrant basil, this recipe delivers maximum flavor with minimal effort. It’s the kind of meal that earns a permanent place in your slow cooker rotation.