Chicken Mac Casserole

1 1/2 c elbow macaroni -- cooked and drained

6 slices low-fat bacon -- cooked and crumbled

2 c chicken breast halves without skin -- cooked and cubed

1/2 c onions -- chopped and cooked

1/2 c bell peppers -- chopped and cooked

10 3/4 ozs low-fat cream of mushroom soup

1 c fat-free sour cream

1 1/2 c frozen mixed vegetables -- thawed

1/8 tsp garlic powder

1 c fat-free cheddar cheese -- grated

1/2 c fat-free cheddar cheese -- grated

Preheat oven to 375. Prepare a 8 x 12" pan with cooking spray; set aside. Return hot macaroni to saucepan. Stir in bacon, chicken, onions, and bell peppers. In a mixing bowl, combine cream of mushroom soup, sour cream, mixed vegetables, garlic powder, and 1 cup cheddar cheese. Spoon half the macaroni mixture into prepared pan. Cover with half vegetable mixture. Repeat layers. Bake, covered, for 30 minutes or until heated through. Top with remaining cheddar cheese. Bake, uncovered, 3 minutes more.