healthy pizza casserole

Ingredients For healthy pizza casserole

• 1 Tbsp

  olive oil
• 1

  9.4 oz pkg turkey sausage, chopped coarsely.
• 1/4 lb

  fresh mushrooms, sliced
• 1

  8 oz can lower sodium tomato sauce
• 1/2 tsp

  oregano, dried
• 1/4 tsp

  garlic powder
• 1/4 tsp

  each, salt and pepper
• 1

  13.8 oz can refrigerated pizza dough, like pillsbury
• 12 slice

  reduced-fat mozzarella cheese
• 1/4 c

  reduced-fat, grated parmesan cheese