Butternut Squash Bake

In a large bowl, cream butter and sugar until fluffy. Beat in the eggs, milk and vanilla. Stir in squash (mixture will be thin). , Pour into a greased 11-in. x 7-in. baking pan. Bake, uncovered, at 350° for 45 minutes or until almost set. , In a small bowl, combine topping ingredients; sprinkle over casserole. Return to the oven for 5-10 minutes or until bubbly. Freeze option: Bake casserole as directed without adding topping. Cool; cover and freeze. Freeze topping mixture in a resealable plastic freezer bag. To use, partially thaw casserole and topping in refrigerator overnight. Remove from refrigerator 30 minutes before baking. Preheat oven to 350°. Sprinkle topping over casserole and bake until bubbly.