Ingredients

• 4 skinless, boneless chicken breast halves
• 1 (28 ounce) jar spaghetti sauce (such as Classico® Cabernet Marinara with Herbs)
• 1 (6 ounce) can tomato paste
• 1/4 pound sliced fresh mushrooms
• 1/2 yellow onion, minced
• 1/2 green bell pepper, seeded and diced
• 3 tablespoons minced garlic
• 1 1/2 teaspoons dried oregano
• 1/2 teaspoon dried basil
• 1/2 teaspoon ground black pepper
• 1/4 teaspoon red pepper flakes (optional)

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Instructions

1. Place chicken in a slow cooker; stir in spaghetti sauce, tomato paste, mushrooms, onion, bell pepper, garlic, oregano, basil, black pepper, and red pepper flakes. Cover.
2. Cook on Low until chicken is tender, 6 to 8 hours.