Buffalo Chicken Mac and Cheese

INGREDIENTS

4 cups

chopped cooked chicken breasts (grilled, rotisserie, etc)

16 oz

box dry macaroni pasta (cooked to package directions and drained)

3 1/2 cups

milk

1 1/2 cups

shredded sharp cheddar cheese

1 1/2 cups

shredded Monterey jack cheese

1/2 cup

Frank's Red Hot sauce

1/4 cup

salted butter

1/4 cup

AP flour

1/2 tbsp

spicy brown mustard

1/2 tsp

salt (more or less to taste)

1/4 tsp

black pepper

Chopped green onions (optional)