Vidalia Onion Casserole
["1/2 c. unsalted butter (room temperature), divided", "4 large Vidalia or other sweet onions, sliced in rings", "1 1/2 pkg. buttery flavored crackers (50 crackers), crushed", "8 oz. Cheddar cheese, shredded", "salt to taste", "paprika to taste", "3 large eggs, beaten", "1 c. milk"]
["Preheat", "oven", "to", "350\u00b0.", "Saute", "onion rings in 1/4 cup butter.", "Combine", "remaining", "butter", "with", "cracker", "crumbs. Reserve 1/4", "of", "crumb mixture for topping and layer remaining crumbs into", "bottom", "of greased 9 x 13-inch casserole.", "Spread sauteed onion rings over crumb layer and sprinkle with cheese, salt and paprika.", "Combine eggs and milk and pour over layers. Top with reserved crumb mixture and bake 35 to 40 minutes."]
["unsalted butter", "Vidalia", "buttery flavored crackers", "Cheddar cheese", "salt", "paprika", "eggs", "milk"]