italian style vegetable casserole

Ingredients

• - 2 zucchini sliced ½ " thick
• - 2 yellow squash sliced ½" thick
• - 2 onion dice
• 1 tablespoon butter or margarine
• 1 tablespoon garlic finely chopped
• 1/4 teaspoon dried oregano
• 8 ounces low sodium tomato sauce
• 3 ounces mozzarella cheese grated
• 1 ounce olives
• 1 ounce dice potatoes
• 1 ounce kidney beans