Ingredients for - Mama's Summer Squash Casserole

1. Yellow summer squash, thinly sliced 8
2. Yellow onion, thinly sliced 1 small
3. Egg, lightly beaten 1
4. Low-fat sour cream 1 cup
5. Buttery round crackers (such as Ritz®), crushed, divided 1 sleeve
6. Shredded sharp Cheddar cheese, divided 2 cups

How to cook deliciously - Mama's Summer Squash Casserole

1 . Stage

Preheat oven to 350 degrees F (175 degrees C). Grease a 1-quart casserole dish.

2 . Stage

Place a steamer insert into a saucepan and fill with water to just below the bottom of the steamer. Bring water to a boil. Add squash and onion, cover, and steam until squash is tender and easily mashed with a fork, 10 to 15 minutes.

3 . Stage

Whisk egg and sour cream together in the prepared casserole dish; add squash, onions, 2/3 the crackers, and 2/3 the Cheddar cheese. Stir with a fork. Cover the squash mixture with remaining Cheddar cheese and crackers.

4 . Stage

Bake in the preheated oven until cheese is melted and crackers are lightly browned, about 30 minutes.