Spinach Parmesan Rice Bake

frozen chopped spinach (thawed and squeezed to remove excess liquid)

cooked white rice

⁄3 cup melted butter

shredded cheddar cheese

⁄4 cup grated parmesan cheese

⁄3 cup chopped onions or 2 large green onions (, chopped)

garlic clove (, minced)

large eggs (, beaten)

⁄4 cup milk

salt and pepper

⁄4 cup grated Parmesan cheese (, for topping)

shredded mozzarella cheese ((optional))