This squash casserole recipe is a hit with our users who make it for everything from family dinners to holiday buffets. It's rich, creamy, and sure to satisfy.
4 pounds yellow squash, sliced
4 tablespoons butter or margarine, divided
1 large sweet onion, finely chopped
2 garlic cloves, minced
2 1/2 cups soft breadcrumbs, divided
1 1/4 cups shredded Parmesan cheese, divided
1 cup (4 ounces) shredded Cheddar cheese
1/2 cup chopped fresh chives
1/2 cup minced fresh parsley
1 (8-ounce) container sour cream
1 teaspoon salt
1 teaspoon freshly ground pepper
2 large eggs, lightly beaten
1/4 teaspoon garlic salt
How to Make It
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 2 tablespoons butter in skillet over medium-high heat; add onion and garlic, and sauté 5 to 6 minutes or until tender. Remove skillet from heat; stir in squash, 1 cup breadcrumbs, 3/4 cup Parmesan cheese, and next 7 ingredients. Spoon into a lightly greased 13- x 9-inch baking dish.
Melt remaining 2 tablespoons butter. Stir together melted butter, remaining 1 1/2 cups soft breadcrumbs, 1/2 cup Parmesan cheese, and garlic salt. Sprinkle mixture evenly over top of casserole.