A spoon in a blue baking dish with squash casserole.

Cheddar Squash Casserole

  • Prep Time: 15 mins
  • Cook Time: 30 mins
  • Total Time: 45 mins
  • Yield: 6-8 servings 1x


  • 2 tablespoons butter
  • Approximately 7 1/2 cups thinly sliced summer squash (67 medium squash)
  • 2 cups chopped Vidalia onion
  • 1/2 cup grated Parmesan cheese
  • 1 1/2 cups shredded sharp cheddar cheese
  • 1/2 cup sour cream
  • 1 sleeve round buttery crackers, crushed (Ritz)
  • Salt and black pepper, to taste


  1. Preheat your oven to 350 degrees F. Grease a 2 quart baking dish.
  2. In a skillet over medium heat, melt butter. Saute onions and squash until tender, stirring frequently (about 10-12 minutes).
  3. Drain squash and onions in a colander. Press with a large spoon or back of spatula.
  4. Transfer squash and onions to a large bowl. Add cheeses, sour cream, salt and pepper. Stir well to combine.
  5. Place squash mixture into greased casserole dish and spread evenly. Top with crumbled buttery crackers.
  6. Bake (uncovered) for 15-20 minutes, or until crackers are golden brown and edges of casserole are bubbly.


Slightly adapted from Paula Deen

  • Category: Side Dish
  • Method: Bake
  • Cuisine: American

Keywords: squash casserole, cheesy squash casserole