Squash Casserole - cooking recipe

Ingredients

3 lbs yellow squash, sliced
5 tablespoons butter or 5 tablespoons margarine, divided
1 small onion, chopped (about 1/2 cup)
1 cup shredded sharp cheddar cheese
2 large eggs, lightly beaten
1/4 cup mayonnaise
2 teaspoons sugar
1 teaspoon salt
20 round buttery crackers, crushed (about 3/4 cup)

Preparation

Cook squash in boiling water to cover in a large skillet 8 to 10 minutes or just until tender.
Drain well; gently press between paper towels.
Melt 4 tbsp butter in skillet over medium-high heat; add onion, and saute 5 minutes or until tender.
Remove skillet from heat; stir in squash, cheese, and next 4 ingredients.
Spoon mixture into a greased 11x7-inch baking dish.
Melt remaining 1 tbsp butter.
Stir together melted butter and crushed crackers; sprinkle evenly over top of casserole.
Bake at 350\u00b0F for 30 to 35 minutes or until set.