Made this amazing sweet potato casserole. Soooo good & so easy!! 3 large sweet potatoes cubed and boiled, mash with 1/2 cup milk, 4 tblsp butter, 1 tsp vanilla, 2 eggs and 1 cup brown sugar. Put it evenly in a lightly greased casserole dish, sprinkle top with brown sugar if desired (I did) top with one bag of mini marshmallows (10oz). Bake for 20 min at 365.