INGREDIENTS
2 cups
chicken, cooked, cut in small bite-sized pieces
4 cups
pasta, cooked and drained (approximately 2 cups uncooked); penne, cavatappi, or rigatoni works well
3 tbsp
butter
1
small onion, finely chopped
2
garlic cloves, minced
2 tbsp
flour
1/2 cup
sour cream
1 cup
milk
3 cups
cheese, grated (cheddar, colby jack, Swiss, or a combination), with 1/2 cup reserved for sprinkling on top
1/2 tsp
red pepper flakes
salt and black pepper