Tomato Basil Chicken Slow Cooker

Tender Slow Cooker Tomato Basil Chicken breasts in a rich tomato sauce, garnished with fresh basil leaves and ready to serve over pasta. Save to Pinterest
Tender Slow Cooker Tomato Basil Chicken breasts in a rich tomato sauce, garnished with fresh basil leaves and ready to serve over pasta. | bitebackkitchen.com

This comforting main dish features boneless chicken breasts that become incredibly tender after hours in the slow cooker. The rich sauce combines crushed and diced tomatoes with aromatic garlic, onion, and classic Italian herbs like oregano and thyme. Fresh basil adds brightness, while optional cream creates a luxurious finish. Simply season the chicken, layer everything in your slow cooker, and let it work its magic for 4-6 hours. The result is fork-tender meat infused with robust Mediterranean flavors. Serve over pasta, polenta, or with crusty bread to soak up every drop of the savory sauce.

The smell of tomatoes simmering brings me straight back to my tiny apartment kitchen where I first discovered that some dishes are actually better when you do less. My roommate had just bought a slow cooker and we spent the entire afternoon guessing what was happening inside that ceramic pot. When we finally lifted the lid, the kitchen filled with this incredible tomato basil aroma that made both of us forget we had been running on nothing but coffee and nervous energy all week.

Last winter I made this for a friend who was recovering from surgery and she still messages me about how much comfort that simple meal brought her. There is something deeply nourishing about food that has been tended to slowly with care and attention.

Ingredients

  • Chicken breasts: Boneless and skinless work beautifully here as they stay moist and absorb all those Italian flavors while cooking
  • Salt and pepper: Simple seasoning that creates the foundation for everything else to shine
  • Crushed and diced tomatoes: Using both gives you texture and body in the sauce
  • Onion and garlic: The aromatic base that transforms into sweetness during the long cooking time
  • Tomato paste: Concentrates the tomato flavor and adds richness to the sauce
  • Dried oregano and thyme: Classic Italian herbs that meld perfectly with slow cooked tomatoes
  • Fresh basil: Added at the end to maintain its bright fresh flavor

Instructions

Season the chicken:
Sprinkle both sides of each chicken breast with salt and pepper, rubbing it in gently
Layer the slow cooker:
Place the seasoned chicken breasts in an even layer at the bottom of your slow cooker
Mix the sauce:
Combine both cans of tomatoes, onion, garlic, tomato paste, herbs, sugar, and olive oil in a bowl until everything is well blended
Pour and cover:
Spread the tomato mixture evenly over the chicken, cover with the lid, and let the slow cooker work its magic
Add the finishing touches:
Stir in fresh basil during the last thirty minutes and add cream if you want a richer sauce
A close-up of Slow Cooker Tomato Basil Chicken with creamy sauce, spooned over steaming rice for a comforting Italian-inspired dinner. Save to Pinterest
A close-up of Slow Cooker Tomato Basil Chicken with creamy sauce, spooned over steaming rice for a comforting Italian-inspired dinner. | bitebackkitchen.com

This recipe has become my go to whenever life feels overwhelming and I need something nourishing without the fuss. It is funny how the simplest meals often become the ones we remember most fondly.

Making It Your Own

Chicken thighs work beautifully here if you prefer darker meat or want even more flavor and moisture. I have also added baby spinach in the final ten minutes when I need to sneak in some greens without anyone noticing.

Serving Suggestions

The sauce clings perfectly to pasta or polenta and crusty bread is absolutely essential for mopping up every last drop. Sometimes I will serve this over mashed potatoes for the ultimate comfort food experience.

Make Ahead And Storage

This recipe actually tastes better the next day as the flavors continue to meld together in the refrigerator. It freezes beautifully so I often double the recipe and save half for those nights when cooking feels impossible.

  • Let the dish cool completely before freezing to prevent ice crystals
  • Store in airtight containers for up to three months
  • Reheat gently on the stovetop with a splash of water to loosen the sauce
Slow Cooker Tomato Basil Chicken served with crusty bread for dipping, highlighting juicy chicken and vibrant basil in a hearty meal. Save to Pinterest
Slow Cooker Tomato Basil Chicken served with crusty bread for dipping, highlighting juicy chicken and vibrant basil in a hearty meal. | bitebackkitchen.com

There is something deeply satisfying about a meal that takes care of itself while you take care of everything else.

Your Recipe Questions

Yes, you can use frozen chicken breasts, but increase the cooking time by 1-2 hours on low. Ensure the internal temperature reaches 165°F for safe consumption.

Store cooled portions in an airtight container in the refrigerator for up to 4 days. The flavors often develop even more after a day or two. Reheat gently on the stovetop or in the microwave.

Yes, simmer the chicken in the tomato mixture in a covered Dutch oven or heavy pot over low heat for 45-60 minutes, or until the chicken reaches 165°F internally.

This works beautifully over pasta, polenta, or mashed potatoes. Crusty bread for dipping, steamed green beans, or a simple arugula salad with lemon vinaigrette make excellent accompaniments.

No, the cream is entirely optional. It adds richness and balances the acidity of the tomatoes, but the dish is delicious without it for a lighter, dairy-free version.

Use three times the amount of fresh herbs compared to dried. Add fresh oregano and thyme during the last hour of cooking to preserve their delicate flavors.

Tomato Basil Chicken Slow Cooker

Tender chicken in a rustic tomato basil sauce with Italian herbs, slowly simmered to perfection.

Prep 15m
Cook 360m
Total 375m
Servings 4
Difficulty Easy

Ingredients

Chicken

  • 4 boneless, skinless chicken breasts (1.5–2 lbs)
  • 1 teaspoon salt
  • ½ teaspoon freshly ground black pepper

Sauce

  • 1 (28 oz) can crushed tomatoes
  • 1 (14 oz) can diced tomatoes, drained
  • 1 medium yellow onion, finely chopped
  • 4 garlic cloves, minced
  • 1 tablespoon tomato paste
  • 1 teaspoon dried oregano
  • 1 teaspoon dried thyme
  • 1 teaspoon sugar
  • ½ teaspoon red pepper flakes
  • 2 tablespoons olive oil
  • ½ cup packed fresh basil leaves, finely chopped
  • ½ cup heavy cream or half-and-half

To Serve

  • Freshly grated Parmesan cheese

Instructions

1
Season the Chicken: Season the chicken breasts generously with salt and pepper on both sides, ensuring even coverage for maximum flavor penetration.
2
Prepare the Slow Cooker: Place the seasoned chicken breasts in a single layer at the bottom of the slow cooker.
3
Make the Tomato Sauce: Combine crushed tomatoes, drained diced tomatoes, chopped onion, minced garlic, tomato paste, oregano, thyme, sugar, red pepper flakes, and olive oil in a large bowl. Mix thoroughly until all ingredients are well incorporated.
4
Add Sauce to Chicken: Pour the tomato mixture evenly over the chicken, ensuring the breasts are completely covered by the sauce.
5
Slow Cook: Cover and cook on LOW setting for 6 hours or HIGH setting for 4 hours, until the chicken reaches an internal temperature of 165°F and is tender throughout.
6
Add Finishing Ingredients: During the final 30 minutes of cooking, stir in the chopped fresh basil. If making a creamy version, add the heavy cream or half-and-half at this time and stir well to combine.
7
Adjust Seasoning: Taste the sauce and adjust salt, pepper, or red pepper flakes as needed to suit your preference.
8
Serve: Serve hot over rice, pasta, or with crusty bread. Garnish with additional fresh basil and grated Parmesan cheese if desired.
Additional Information

Equipment Needed

  • 5–6 quart slow cooker
  • Chef's knife
  • Cutting board
  • Mixing bowl
  • Measuring spoons and cups

Nutrition (Per Serving)

Calories 350
Protein 44g
Carbs 15g
Fat 12g

Allergy Information

  • Contains dairy if using cream or Parmesan cheese. Always verify labels on pre-packaged ingredients for hidden gluten or allergens.
Riley Montgomery

Home chef sharing flavorful, easy recipes and real-life kitchen tips for fellow food lovers.