Best Yellow Squash Casserole

Recipe Image
Image: eatinspired.com / All Rights reserved
Creamy, cheesy, and wonderfully comforting, this Southern-style squash casserole combines tender yellow squash with a rich, buttery cracker topping that’ll have everyone asking for seconds. The simple combination of fresh squash, sour cream, and cheese transforms humble garden vegetables into a crowd-pleasing side dish that’s perfect for summer potlucks and holiday gatherings alike. Growing up in Georgia, this casserole was a guaranteed fixture at every family reunion and church picnic – and now my own kids beg for it whenever our garden starts overflowing with yellow squash!


Ingredient List

  • 1 cup grated sharp cheddar
  • 3/4 cup breadcrumbs (panko)
  • 1/2 cup sour cream
  • 2 Tbsp melted butter
  • 1 Tbsp dried minced onion
  • 1 tsp garlic salt
  • 1 tsp chopped fresh thyme
  • 1/2 tsp kosher salt
  • 1/4 tsp ground black pepper
  • 6 small yellow summer squash, thinly sliced
  • 2 large eggs, room temp

Preparation Time 15-20 minutes
Cooking Time 30-35 minutes
Total Time 45-55 minutes
Level of Difficulty Easy

Step-by-Step Instructions

  1. Preheat oven to 350°F (175°C) and lightly grease a 2-quart casserole dish or 9×13-inch baking pan with cooking spray.
  2. Wash and thinly slice yellow squash, placing slices in a large mixing bowl.
  3. In a medium bowl, combine sour cream, eggs, fresh thyme, salt, and pepper, then fold in grated cheddar cheese.
  4. Pour cheese mixture over squash slices and mix until well-coated.
  5. Transfer squash mixture to prepared baking dish, spreading evenly.
  6. Mix panko breadcrumbs with melted butter and garlic salt in a small bowl. Optional: add Parmesan cheese and fresh parsley.
  7. Sprinkle breadcrumb mixture evenly over squash and bake on middle rack for 30-35 minutes, until cheese is bubbly and topping is golden brown.
  8. Serve immediately while hot.

Recipe Image
Image: eatinspired.com / All Rights reserved

Recipe Image
Image: eatinspired.com / All Rights reserved

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