This delightful casserole combines the subtle flavors of fresh yellow squash with the tanginess of sour cream, the sharpness of cheddar cheese, and a hint of black pepper.The end result is a tasty, comforting side that pairs well with various main courses.
Preparing the squash: Start by cutting the 4 ½ pounds of yellow squash into ¼-inch slices.In a large pot, bring water to a boil and add the sliced squash.Boil the squash for about 5 minutes until it's tender but not mushy.Drain the cooked squash and set it aside.
Preparing the onion and cheese mixture: In a frying pan, sauté 1 cup of chopped sweet onion on medium heat until it's translucent.In a separate bowl, combine the sautéed onion with 5 ounces of sour cream, 1 beaten egg, 1 ½ cups of shredded cheddar cheese, and 2 tablespoons of mayonnaise.Mix the ingredients well.
Combining squash and cheese mixture: In a large mixing bowl, combine the cooked squash with the onion and cheese mixture.Make sure all the ingredients are evenly distributed.Preparing the baking dish: Preheat your oven to 350°F (180°C).Lightly grease a 9x13-inch baking dish.
Assembling the casserole: Pour the squash and cheese mixture into the prepared baking dish, spreading it evenly.Preparing the Ritz cracker topping: In a small bowl, combine 30 crushed Ritz crackers with ½ cup of melted butter.Mix well to ensure the crackers are coated with butter.
Adding the topping and baking: Spread the Ritz cracker and butter mixture evenly on top of the squash and cheese mixture in the baking dish.Bake the Cracker Barrel Squash Casserole in the preheated oven for 35-40 minutes, or until the top is golden brown and bubbly.