creamy lo-fat macaroni and cheese

Ingredients For creamy lo-fat macaroni and cheese

• 2 c

  uncooked elbow macaroni
• 1/2 c

  fat-free sour cream
• 2 c

  fat-free milk
• 2 Tbsp

  finely chopped onion
• 3 Tbsp

  flour
• 1 tsp

  yellow mustard
• 1/2 tsp

  salt
• 1/4 tsp

  pepper
• 1/4 tsp

  red pepper flakes
• 2 c

  reduced-fat, shredded cheddar cheese
• 2 Tbsp

  bread crumbs
• 2 Tbsp

  grated parmesan cheese
• 2 tsp

  olive oil