tuna casserole

Ingredients For tuna casserole

• 2 c

  elbow macaroni, cooked,drained
• 3 Tbsp

  butter
• 1 md

  onion, chopped
• salt and pepper
• 1/8 tsp

  red pepper flakes
• 3 Tbsp

  flour
• 2 c

  milk or 1 3/4 milk and1/4 heavy cream
• 1-1/2 tsp

  garlic powder
• 1/2 tsp

  thyme, dried
• 2 c

  cheddar cheese, shredded, divided
• 1 lg

  or two small cans of tuna packed in water
• 7-8

  saltine crackers, crumbled
• 2-3 Tbsp

  butter, melted
• 1 tsp

  garlic powder