You are here: Home » Recipes » Low-Fat Summer Squash Casserole Low-Fat Summer Squash Casserole Recipe by Relish ContributorKitchen Tested Yield 6 to 8 servings Yellow squash is topped with reduced-fat Cheddar cheese. PrintEmail Ingredients 2 pounds yellow squash (about 8) sliced1/2 cup chopped onion1 cup fat-free sour cream Salt and pepper to taste1/4 teaspoon red pepper flakes1/2 teaspoon dried basil1/2 cup bread crumbs1/4 cup shredded reduced-fat sharp Cheddar cheese, optional1 tablespoon margarine or butter, melted1/2 teaspoon paprika Instructions Preheat oven to 350F. Coat a 1 1/2-quart casserole dish with nonstick cooking spray. Boil squash and onion in a saucepan in a small amount of water over medium to high heat until tender, about 5 minutes. Drain well. Combine squash and onion and sour cream, salt, pepper, red pepper flakes and basil in a mixing bowl. Pour into the casserole dish. Combine breadcrumbs, Cheddar cheese, margarine and paprika. Sprinkle over the squash mixture. Bake for 20 minutes.