Slow-Cooker Chicken Cacciatore

Season chicken on both sides with salt and pepper and place in slow cooker. Add peppers, mushrooms, garlic, tomatoes, and broth, then season with oregano, red pepper flakes, salt, and pepper. Cover and cook on low for 6 to 8 hours or on high for 3 to 4 hours, until chicken is cooked through.  Remove chicken from slow-cooker and stir capers into sauce. Serve chicken over cooked pasta with sauce.