I love making this Slow Cooker Creamy Tomato Basil Chicken when I want something comforting, flavorful, and incredibly easy to prepare. I let the slow cooker gently simmer tender chicken in a rich tomato cream sauce infused with basil, creating a dish that feels both cozy and elegant. It’s one of those meals I rely on when I want big flavor with very little effort.

Why You’ll Love This Recipe

I appreciate how simple this recipe is to put together. I just add the ingredients to the slow cooker and let time do the work. The chicken becomes perfectly tender, and the creamy tomato basil sauce develops a deep, savory flavor that tastes like it simmered all day.

I also love how versatile this dish is. I can serve it over pasta, rice, or even mashed potatoes. It feels special enough for guests but is easy enough for a weeknight dinner.

Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

4 boneless, skinless chicken breasts
1 teaspoon salt
1/2 teaspoon black pepper
1 teaspoon Italian seasoning
3 cloves garlic, minced
1 small onion, finely chopped
1 can (15 ounces) crushed tomatoes
1/2 cup tomato sauce
1/2 cup chicken broth
1/2 cup heavy cream
1/4 cup grated Parmesan cheese
1/4 cup fresh basil, chopped
1 tablespoon olive oil

Directions

I lightly grease the slow cooker with olive oil.
I season the chicken breasts with salt, pepper, and Italian seasoning.
I place the chicken in the slow cooker and add the chopped onion and minced garlic on top.
I pour in the crushed tomatoes, tomato sauce, and chicken broth.
I cover and cook on low for 5–6 hours or on high for 3–4 hours, until the chicken is tender and fully cooked.
About 20 minutes before serving, I stir in the heavy cream and grated Parmesan cheese.
I sprinkle in the fresh basil just before serving and gently spoon the sauce over the chicken.

Servings and Timing

This recipe makes about 4 servings.

Preparation time: 10–15 minutes
Cooking time: 5–6 hours on low or 3–4 hours on high
Total time: Approximately 5 hours and 15 minutes

Variations

I sometimes swap heavy cream for half-and-half if I want a lighter sauce. If I’m in the mood for extra richness, I add a few ounces of cream cheese toward the end of cooking.

For more vegetables, I like adding spinach during the last 15 minutes so it wilts into the sauce. I also occasionally stir in sun-dried tomatoes for deeper flavor or add red pepper flakes when I want a little heat.

Storage/Reheating

I store leftovers in an airtight container in the refrigerator for up to 4 days. When reheating, I warm it gently on the stovetop over low heat, stirring occasionally. If the sauce thickens too much, I add a splash of chicken broth or cream to loosen it.

I can freeze this dish for up to 2 months. I let it cool completely before transferring it to freezer-safe containers. I thaw it overnight in the refrigerator before reheating gently.

FAQs

Can I use chicken thighs instead of chicken breasts?

I often use boneless, skinless chicken thighs when I want extra tenderness and flavor. They work beautifully in the slow cooker and stay very juicy.

Can I use dried basil instead of fresh?

I can use dried basil if that’s what I have available. I usually add about 1 teaspoon during cooking, but I prefer fresh basil for its brighter flavor.

Will the sauce be very thick?

The sauce is creamy but not overly thick. If I want it thicker, I remove the lid during the last 20–30 minutes of cooking or stir in a small cornstarch slurry.

What should I serve this with?

I like serving it over pasta, rice, or mashed potatoes. It also pairs nicely with crusty bread to soak up the sauce.

Can I make this dairy-free?

I can substitute the heavy cream with full-fat coconut milk and skip the Parmesan. The flavor changes slightly, but it still turns out creamy and delicious.

Conclusion

I find Slow Cooker Creamy Tomato Basil Chicken to be a dependable, comforting recipe that fits into my busy schedule. The creamy tomato sauce, tender chicken, and fresh basil create a balanced and satisfying meal every time I make it. It’s a dish I come back to whenever I want something simple, cozy, and full of flavor.

Slow Cooker Creamy Tomato Basil Chicken

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A comforting slow cooker dish featuring tender chicken simmered in a rich tomato cream sauce infused with fresh basil. This easy, flavorful recipe delivers cozy elegance with minimal effort and pairs perfectly with pasta, rice, or mashed potatoes.

Author: Mayaa
Prep Time: 10–15 minutes
Cook Time: 5–6 hours (low) or 3–4 hours (high)
Total Time: 5 hours 15 minutes
Yield: 4 servings
Category: Main Dish
Method: Slow Cooker
Cuisine: Italian-American
Diet: Halal

Ingredients

4 boneless, skinless chicken breasts
1 teaspoon salt
½ teaspoon black pepper
1 teaspoon Italian seasoning
3 cloves garlic, minced
1 small onion, finely chopped
1 can (15 ounces) crushed tomatoes
½ cup tomato sauce
½ cup chicken broth
½ cup heavy cream
¼ cup grated Parmesan cheese
¼ cup fresh basil, chopped
1 tablespoon olive oil

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Instructions

Lightly grease the slow cooker with olive oil.
Season chicken breasts with salt, black pepper, and Italian seasoning.
Place chicken in the slow cooker and top with chopped onion and minced garlic.
Pour in crushed tomatoes, tomato sauce, and chicken broth.
Cover and cook on low for 5–6 hours or on high for 3–4 hours, until chicken is tender and fully cooked.
About 20 minutes before serving, stir in heavy cream and grated Parmesan cheese.
Sprinkle fresh basil over the dish just before serving and spoon sauce over the chicken.

Notes

Boneless, skinless chicken thighs can be used for extra tenderness.
Add spinach during the last 15 minutes for extra vegetables.
Use half-and-half for a lighter sauce or add cream cheese for extra richness.
Remove lid during the final 20–30 minutes to thicken the sauce if desired.
Store leftovers in the refrigerator for up to 4 days or freeze for up to 2 months.
Reheat gently with a splash of broth or cream if the sauce thickens too much.