zucchini burger casserole

Ingredients For zucchini burger casserole

• 1 lb

  lean ground beef
• 1/2 tsp

  garlic powder
• 1 md

  onion, chopped
• 1 lb

  zucchini, sliced thin, unpeeled
• 2 c

  cooked rice
• 2 c

  cottage cheese
• 10 oz

  can cream of mushroom soup, undiluted
• 1/2 tsp

  salt
• 1 c

  grated sharp cheddar cheese
• 1/2 c

  grated parmesan cheese