Easy Slow Cooker Chili

1 pound ground turkey
2 (10.75 ounce) cans low sodium tomato soup
2 (15 ounce) cans kidney beans, drained
1 (15 ounce) can black beans, drained
1/2 medium onion, chopped
2 tablespoons chili powder
1 teaspoon red pepper flakes
1/2 tablespoon garlic powder
1/2 tablespoon ground cumin
1 pinch ground black pepper
1 pinch ground allspice

Place turkey in the skillet, and cook until evenly brown; drain.
Coat the inside of a slow cooker with cooking spray, and mix in turkey, tomato soup, kidney beans, black beans and onion. Season with chili powder, red pepper flakes, garlic powder, cumin, black pepper, allspice and salt.
Cover, and cook 8 hours on Low or 4 hours on High.