Tomato Basil Chicken

Slow cooker tomato basil chicken breast simmering in a rich red tomato sauce with fresh green basil garnish. Save
Slow cooker tomato basil chicken breast simmering in a rich red tomato sauce with fresh green basil garnish. | rusticpinrecipes.com

Tender chicken breasts become incredibly flavorful after slow-cooking in a robust tomato and basil sauce. The combination of crushed and diced tomatoes creates a rich, hearty base enhanced with aromatic garlic, onion, and classic Italian herbs like oregano and thyme. Fresh basil added near the end brightens the dish, while optional cream adds luxurious velvety texture. Simply season the chicken, layer everything in your slow cooker, and let it work its magic over 4-6 hours. The result is fall-apart tender meat in a restaurant-worthy sauce that pairs beautifully with pasta, polenta, or crusty bread for soaking up every drop.

The first time I made this tomato basil chicken, my apartment smelled like an Italian grandmother had moved in for the afternoon. That slow cooker magic turns ordinary ingredients into something that tastes like it simmered all day on a rustic stovetop. My roommate kept wandering into the kitchen asking if it was done yet.

I served this at a dinner party during a busy work week when I had zero time to cook. Everyone assumed I had been slaving over the stove all afternoon. The chicken was so tender it fell apart at the mere suggestion of a fork.

Ingredients

  • Boneless skinless chicken breasts: These stay incredibly moist after hours in the slow cooker, almost like they have been braised in their own juices
  • Crushed and diced tomatoes: Using both textures gives you sauce body plus satisfying tomato chunks in every bite
  • Fresh garlic and onion: The long cook time mellows them into a sweet aromatic base instead of sharp raw bites
  • Dried oregano and thyme: These classic Italian herbs bloom beautifully in the slow cooking process
  • Fresh basil: Adding this at the end keeps its bright flavor intact instead of cooking it into nothingness
  • Heavy cream: The optional swirl transforms this from rustic to restaurant rich in seconds

Instructions

Season the chicken generously:
Sprinkle salt and pepper over both sides of each chicken breast, patting it in gently to help it stick
Build the foundation:
Arrange the seasoned chicken in an even layer at the bottom of your slow cooker insert
Mix the sauce components:
Combine both cans of tomatoes, onion, garlic, tomato paste, herbs, sugar, red pepper flakes, and olive oil in a large bowl
Blanket the chicken:
Pour that gorgeous red mixture over the chicken, making sure every piece is nestled into the sauce
Let time work its magic:
Cover and cook on LOW for 6 hours or HIGH for 4 hours until the chicken reaches 165 degrees F
Add the finishing touches:
Stir in fresh basil and cream during the last 30 minutes so the basil stays bright and green
Taste and adjust:
Add more salt or pepper if needed, then serve with extra basil sprinkled on top
Tender slow cooker tomato basil chicken served over creamy pasta with melted Parmesan cheese and crusty bread. Save
Tender slow cooker tomato basil chicken served over creamy pasta with melted Parmesan cheese and crusty bread. | rusticpinrecipes.com

This recipe saved me during a particularly chaotic month when cooking dinner felt like climbing Mount Everest. Coming home to that aroma made even the hardest days feel manageable.

Make It Your Own

Chicken thighs work beautifully here and stay even juicier through the long cook time. Baby spinach stirred in at the end wilts into the sauce without making it watery.

Serving Ideas That Work

The sauce clings to pasta like it was meant to be there. Polenta soaked in that tomato basil liquid is honestly life changing.

Meal Prep Success

This actually tastes better the next day as the flavors continue to meld. The sauce freezes beautifully for those weeks when cooking feels impossible.

  • Portion into containers before adding the cream if freezing
  • Reheat with a splash of water to loosen the sauce
  • Store fresh basil separately and add it when reheating
A steaming bowl of slow cooker tomato basil chicken in a rustic ceramic dish, ready for a family dinner. Save
A steaming bowl of slow cooker tomato basil chicken in a rustic ceramic dish, ready for a family dinner. | rusticpinrecipes.com

Some nights the best meals are the ones that mostly cook themselves while you handle everything else life throws at you.

Recipe FAQs

Yes, boneless chicken thighs work wonderfully and often yield juicier results due to their higher fat content. Cook times remain the same.

Absolutely. Cool completely, then store in airtight containers for up to 3 months. Thaw overnight in the refrigerator before reheating gently on the stovetop.

Yes, cook in a Dutch oven at 325°F for 2-2.5 hours, covered, or simmer on the stovetop over low heat for about 45 minutes until chicken reaches 165°F internally.

This pairs beautifully with pasta, polenta, mashed potatoes, or crusty bread. A simple green salad with vinaigrette balances the richness perfectly.

Simply omit the heavy cream and Parmesan garnish. The dish remains delicious and the tomato-basil sauce stands wonderfully on its own.

Tomato Basil Chicken

Tender chicken in a slow-simmered tomato basil sauce with Italian herbs. An easy, comforting meal perfect for busy weeknights.

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

Ingredients

Chicken

  • 4 boneless skinless chicken breasts (about 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 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 both sides of the chicken breasts with salt and pepper.
2
Arrange in Slow Cooker: Place the seasoned chicken breasts in the bottom of the slow cooker.
3
Prepare the Sauce: In a large bowl, combine crushed tomatoes, diced tomatoes, onion, garlic, tomato paste, oregano, thyme, sugar, red pepper flakes, and olive oil. Stir until well mixed.
4
Add Sauce to Chicken: Pour the tomato mixture evenly over the chicken in the slow cooker.
5
Slow Cook: Cover and cook on LOW for 6 hours or HIGH for 4 hours, until the chicken is tender and reaches an internal temperature of 165°F.
6
Add Finishing Ingredients: During the last 30 minutes of cooking, stir in the chopped fresh basil and heavy cream if making a creamy sauce.
7
Adjust Seasoning: Taste the sauce and adjust salt, pepper, or red pepper flakes as needed.
8
Serve: Serve hot, garnished with extra fresh basil and Parmesan cheese if desired. Pair with rice, pasta, or crusty bread.
Additional Information

Equipment Needed

  • Slow cooker (5–6 quart)
  • 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). Gluten-free as written. Always check labels on pre-packaged ingredients.
Kelsey Whitmore

Sharing approachable, easy-to-make recipes for busy home cooks and food lovers.