01 - Pat chicken breasts dry with paper towels and arrange in a single layer at the bottom of the slow cooker.
02 - Whisk together melted butter, minced garlic, salt, black pepper, Italian herbs, paprika, and onion powder in a small bowl until thoroughly combined.
03 - Pour garlic butter mixture evenly over chicken breasts, ensuring each piece is well coated with the sauce.
04 - Cover and cook on High setting for 4 hours or Low setting for 6-7 hours, until chicken is tender and reaches internal temperature of 165°F.
05 - Transfer cooked chicken to a baking sheet and broil for 2-3 minutes for a golden, caramelized exterior if desired.
06 - Sprinkle with fresh parsley and serve with lemon wedges on the side.