This Creamy Tomato Basil Chicken is a hands-off, flavorful dinner that’s perfect for busy nights. Tender chicken simmers in a rich tomato cream sauce infused with fresh basil and Italian herbs, creating a comforting, restaurant-quality meal made right in your slow cooker. 🍅🌿
Serve over pasta, rice, or with crusty bread for a complete, satisfying dinner.
Why You’ll Love This Recipe
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Minimal prep – just combine ingredients in the slow cooker
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Tender, juicy chicken in a creamy tomato sauce
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Rich Italian flavors with fresh basil
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Family-friendly and easy to customize
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Perfect for meal prep or weeknight dinners
Ingredients You’ll Need

Main Ingredients
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2 lbs (900g) boneless, skinless chicken breasts or thighs
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1 can (14 oz) diced tomatoes, undrained
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1 cup heavy cream or coconut cream for dairy-free
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½ cup chicken broth
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1 medium onion, finely chopped
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3 cloves garlic, minced
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1 teaspoon Italian seasoning
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½ teaspoon salt
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¼ teaspoon black pepper
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¼ teaspoon red pepper flakes (optional)
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¼ cup grated Parmesan cheese (optional)
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¼ cup fresh basil, chopped
Optional Garnishes
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Fresh basil leaves
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Grated Parmesan cheese
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Cooked pasta, rice, or mashed potatoes
How to Make Creamy Tomato Basil Chicken in the Slow Cooker
Step 1: Prepare Ingredients
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Season chicken with salt, pepper, and Italian seasoning.
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Chop onion, garlic, and basil.
Step 2: Assemble in the Slow Cooker
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Place chicken in the slow cooker.
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Add diced tomatoes, onion, garlic, and chicken broth.
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Stir to combine and coat chicken evenly.
Step 3: Slow Cook
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Cover and cook on low for 4–5 hours or high for 2–3 hours, until chicken is cooked through and tender.
Step 4: Add Cream and Basil
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Stir in heavy cream (or coconut cream) and chopped fresh basil.
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Optional: add Parmesan cheese for extra richness.
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Cook for an additional 15–20 minutes on low to warm and thicken the sauce.
Step 5: Serve
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Serve chicken over pasta, rice, or mashed potatoes.
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Spoon creamy tomato basil sauce over the top.
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Garnish with extra basil and Parmesan if desired.
Pro Tips for Perfect Creamy Tomato Basil Chicken
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Use chicken thighs for extra juiciness; breasts work fine too.
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Add cream at the end to prevent curdling.
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For thicker sauce, mash some of the tomatoes or simmer with lid slightly off at the end.
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Fresh basil at the end gives the best flavor—avoid adding too early.
Flavor Variations
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Spicy Twist: Add red pepper flakes or diced jalapeños.
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Cheesy: Stir in shredded mozzarella or fontina cheese.
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Vegetable Boost: Add bell peppers, spinach, or mushrooms during slow cooking.
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Dairy-Free: Use coconut cream instead of heavy cream.
Serving Suggestions
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Serve over spaghetti, penne, or rice
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Pair with garlic bread or roasted vegetables
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Garnish with fresh basil and Parmesan cheese
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Perfect for meal prep: store chicken and sauce separately for up to 4 days
Storage Tips
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Refrigerate leftovers in an airtight container for 3–4 days.
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Freeze for up to 2 months; thaw in the fridge before reheating.
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Reheat gently on the stovetop or microwave, stirring occasionally.
Nutritional Highlights
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High in protein
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Rich, creamy, and comforting
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Gluten-free if served over rice or gluten-free pasta
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Family-friendly and satisfying
Frequently Asked Questions
Can I use frozen chicken?
Yes, but increase cooking time slightly and ensure chicken reaches 165°F (74°C).
Can I make it spicier?
Yes! Add crushed red pepper flakes, cayenne, or a dash of hot sauce.
Can I prep this ahead?
Yes, assemble ingredients in the slow cooker insert and refrigerate up to 24 hours before cooking.
Can I use canned tomato sauce instead of diced tomatoes?
Yes, but reduce liquid slightly to avoid a runny sauce.
Final Thoughts
This Slow Cooker Creamy Tomato Basil Chicken is a rich, comforting, and easy meal that’s perfect for weeknights, meal prep, or cozy dinners. Tender chicken, creamy tomato sauce, and fresh basil make it restaurant-quality at home. 🍅🌿🥘