Slow Cooker Creamy Tomato Basil Chicken Recipe delivers tender chicken in a rich, garlicky tomato cream sauce with bright basil and a savory Parmesan finish. It fits busy home cooks who want an easy family dinner, and it takes about 10 minutes of prep with 3 to 4 hours on high or 5 to 7 hours on low. I threw it together between emails and school pickup, and the house smelled like an Italian grandma moved in.
Why Choose This Slow Cooker Creamy Tomato Basil Chicken Recipe
This Slow Cooker Creamy Tomato Basil Chicken Recipe saves time and packs big flavor with simple pantry items. The sauce turns silky, the chicken stays juicy, and basil keeps every bite fresh.
You can set it before errands and come back to dinner that needs a quick stir and a shower of Parmesan.
Tastes like a trattoria special, and the slow cooker did the heavy lifting while I did life. ★★★★★
Ingredients You Need
- 2 pounds boneless skinless chicken breasts or thighs
- 1 teaspoon kosher salt, plus more to taste
- 1 teaspoon black pepper
- 1 tablespoon olive oil
- 4 cloves garlic, minced (or 1 teaspoon garlic powder if you want a shortcut)
- 1 small yellow onion, finely chopped (or 1 teaspoon onion powder)
- 1 can crushed tomatoes, 28 ounces (Muir Glen or Cento hold great flavor)
- 1 to 1.5 cups marinara instead of crushed tomatoes if you want an even quicker option (Rao’s works well)
- 2 tablespoons tomato paste for depth
- 1/2 cup low sodium chicken broth
- 1 teaspoon dried Italian seasoning or 1/2 teaspoon dried oregano plus 1/2 teaspoon dried basil
- 1/4 to 1/2 teaspoon red pepper flakes, to taste
- 1 teaspoon sugar or 1/2 cup grated carrot to balance acidity
- 4 ounces cream cheese, softened, cut into cubes, or 3/4 cup heavy cream (add at the end so it stays silky)
- 1/2 cup grated Parmesan cheese, plus more for serving
- 1/2 cup fresh basil, chopped, plus extra for garnish
- Optional boosters: 1/3 cup sliced sun-dried tomatoes, 1 tablespoon butter for extra gloss
- Optional thickener: 1 tablespoon cornstarch mixed with 1 tablespoon water
Equipment
- 4 to 6 quart slow cooker
- Cutting board and chef’s knife
- Measuring cups and spoons
- Tongs and a spoon
- Small bowl and whisk
How to Make Slow Cooker Creamy Tomato Basil Chicken Recipe
Prep the base
- Stir crushed tomatoes, tomato paste, broth, garlic, onion, Italian seasoning, red pepper flakes, sugar or carrot, salt, and pepper in the slow cooker. Add sun-dried tomatoes if you want a deeper tomato kick.
Add the chicken
- Pat chicken dry, season both sides with a pinch of salt and pepper, and drizzle with olive oil. Nestle the pieces into the sauce, submerging them.
Cook it low and slow
- Cover and cook on low for 5 to 7 hours or on high for 3 to 4 hours. Check at the early end of the window so the chicken stays juicy.
Finish with dairy
- Transfer chicken to a plate. Whisk cream cheese into the hot sauce until smooth, or stir in heavy cream. Add Parmesan and stir until it melts.
Thicken and brighten
- If you want a thicker sauce, whisk in the cornstarch slurry and simmer the sauce in the slow cooker on high for 10 to 15 minutes. Stir in chopped basil and any butter you plan to use. Taste and adjust salt and pepper.
Serve
- Slice or shred the chicken and return it to the sauce. Spoon over pasta, rice, or mashed potatoes. Top with extra Parmesan and basil.
Tips & Common Mistakes
- Season the chicken before it goes in so the meat tastes good, not just the sauce.
- Add cream cheese or heavy cream at the end so the sauce stays smooth and does not separate.
- Check doneness early to avoid dry chicken, especially with breasts.
- Use thighs if you want extra forgiveness and richness.
- Go easy on red pepper flakes if you cook for kids, then add heat at the table.
- Thicken only after adding dairy so you dial in the final texture.
- Use garlic and onion powders if you do not want to chop, and the flavor still hits.
- Salt at the end too, since Parmesan adds salt.
Variations I've Tried
- Spinach version: Stir in 2 cups baby spinach with the basil until it wilts.
- Vodka blush: Add 2 tablespoons vodka to the sauce base for a subtle restaurant vibe.
- Roasted red pepper twist: Blend 1 cup jarred roasted red peppers into the tomatoes for sweetness.
- Sun-dried tomato and olive: Add sun-dried tomatoes and a handful of sliced Kalamata olives for briny depth.
- Dairy-free: Skip cream cheese and Parmesan, stir in 1/2 to 3/4 cup full-fat coconut milk, and finish with lemon and basil.
- Extra protein: Add a drained can of white beans during the last 30 minutes.
How to Serve
Spoon the creamy tomato basil chicken over pasta, gnocchi, rice, or mashed potatoes so the sauce can soak in. Add a crisp green salad and garlicky bread or toasted ciabatta for scooping. Pair it with a light red like Chianti or a chilled Pinot Grigio, and offer sparkling water with lemon for balance. Finish with more basil and a sprinkle of Parmesan at the table.
Make-Ahead and Storage
- Make-ahead: Mix the sauce base and refrigerate it up to 2 days, or load the slow cooker insert and chill it overnight. If your insert is fridge safe, place it in the cooker and start it when you get home.
- Fridge: Store leftovers in an airtight container up to 4 days. The sauce thickens as it chills, so stir in a splash of broth or cream when you reheat.
- Freezer: For best texture, freeze the chicken and tomato sauce without dairy up to 3 months, then add cream and Parmesan after reheating. If you already mixed in dairy, you can still freeze it, then whisk while reheating to bring it back together.
- Reheat: Warm gently on the stovetop over medium-low, stirring often, or use the microwave in short bursts. Add a little broth or cream to loosen, then finish with fresh basil to wake up the flavor.
Slow Cooker Creamy Tomato Basil Chicken Recipe
Slow Cooker Creamy Tomato Basil Chicken delivers tender chicken in a rich, garlicky tomato cream sauce with bright basil and a savory Parmesan finish, perfect for an easy family dinner.
Ingredients
Instructions
- In a 4 to 6 quart slow cooker, stir together the crushed tomatoes, tomato paste, chicken broth, garlic, onion, Italian seasoning, red pepper flakes, sugar or carrot, salt, and pepper. Add sun-dried tomatoes if using.
- Pat the chicken dry, then season both sides with a pinch of salt and pepper and drizzle with olive oil. Nestle the chicken pieces into the sauce, submerging them.
- Cover and cook on low for 5 to 7 hours or on high for 3 to 4 hours, checking toward the early end of the cooking window so the chicken stays juicy.
- Transfer the cooked chicken to a plate. Whisk the cream cheese into the hot tomato sauce until completely smooth. Stir in the grated Parmesan until melted.
- If you prefer a thicker sauce, whisk in the cornstarch slurry and cook the sauce in the slow cooker on high for 10 to 15 minutes, until slightly thickened. Stir in the chopped basil and butter if using, then taste and adjust salt and pepper.
- Slice or shred the chicken and return it to the creamy tomato basil sauce. Stir to coat, then serve over pasta, rice, gnocchi, or mashed potatoes with extra Parmesan and basil on top.
Notes
Nutrition Information
Approximate per serving (6 servings, without optional add-ins or starch): 360 calories; fat 18 g; saturated fat 7 g; carbohydrates 13 g; fiber 3 g; sugars 7 g; protein 35 g; sodium 780 mg. Values will vary based on exact ingredients, brands, and serving size.
Approximate per serving (6 servings, without optional add-ins or starch): 360 calories; fat 18 g; saturated fat 7 g; carbohydrates 13 g; fiber 3 g; sugars 7 g; protein 35 g; sodium 780 mg. Values will vary based on exact ingredients, brands, and serving size.