Butternut Squash and Pecan Casserole

2 cups mashed, cooked butternut squash

½ cup chopped onion

½ cup mayonnaise

½ cup shredded Cheddar cheese

¼ cup white sugar

1 egg

½ cup cracker crumbs

¼ cup chopped pecans

¼ cup sunflower seeds

¼ cup butter, melted

Preheat oven to 350 degrees F (175 degrees C).

Mix butternut squash, onion, mayonnaise, Cheddar cheese, sugar, and egg in a casserole dish.

Combine cracker crumbs, pecans, and sunflower seeds in a bowl; sprinkle over squash mixture. Pour melted butter over crumb topping.

Bake in the preheated oven until casserole is bubbling and crumb topping is browned, about 45 minutes.