Easy Creamy Squash Casserole - cooking recipe

Ingredients

1/4 cup butter
4 yellow summer squash, thinly sliced
1 small yellow onion, thinly sliced (optional)
1 cup sour cream
1 egg, lightly beaten
1 cup shredded sharp Cheddar cheese
1 sleeve buttery round crackers (such as Ritz(R)), crushed and divided
1/4 cup melted butter

Preparation

Preheat oven to 350 degrees F (175 degrees C). Grease a 1-quart baking dish.
Melt 1/4 cup butter in a saucepan over medium heat. Cook and stir squash and onion in hot butter until tender, 10 to 15 minutes. Drain and cool vegetables.
Whisk sour cream and egg together in a large bowl. Add squash mixture, Cheddar cheese, and 1/2 of the crushed buttery round crackers; stir to combine and pour into prepared baking dish.
Stir remaining buttery round crackers and melted butter together in a bowl; spread over the top of squash mixture and gently pat down.
Bake in the preheated oven until crackers are lightly browned, about 20 minutes.