Yield: 8 servings.
2 tablespoons butter
1 tablespoon olive oil
6 medium yellow squash, quartered
1 large Vidalia onion, chopped
1 teaspoon salt
1 teaspoon black pepper
1 cup sour cream
2 cups sharp Cheddar cheese, shredded
¼ teaspoon nutmeg
1/8 teaspoon cayenne pepper (optional)
1 sleeve butter crackers, crushed
Preheat oven to 350°. In a Dutch oven, heat 1 tablespoon each of butter and olive oil. Add squash and onions. Cook on medium heat until squash and onions are tender. Add salt and black pepper. Drain off excess liquid.
In separate bowl, mix sour cream, Cheddar cheese, nutmeg, and cayenne pepper, if using. Pour over squash and onions and mix well.
Pour squash mixture into a buttered 2-quart casserole dish. Cover with crackers and top with dabs of the remaining butter.
Bake at 350°, uncovered, for 30 minutes, or until top is lightly browned.