This is an easy comfort food side dish, this Old Fashioned Southern Squash Casserole makes a lovely pot-luck and family reunion recipe that's always a crowd-pleaser

Old Fashioned Southern Squash Casserole

A classic recipe, Old Fashioned Southern Squash Casserole, has tender squash cooked with onion and a buttery cracker top.

Course Side Dish
Cuisine American, Southern
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 6 servings
Author Paula


  • 1 tablespoon vegetable oil
  • 6 medium yellow summer squash slicedĀ 
  • 1 cup Vidalia onion thinly sliced
  • 1/2 cup grated Parmesan cheese plus more below
  • 1 cup shredded cheddar cheese
  • 1/2 cup sour cream
  • Salt and freshly ground black pepper to taste
  • 2 tablespoons butter melted
  • 1/3 cup parmesan cheeseĀ 
  • 1 cup crushed butter crackers


  1. Preheat the oven to 350 degrees F.
  2. Grease a 9x9 inch casserole dish.
  3. Heat the oil in a large skillet over medium heat.
  4. Add the squash and onion. Saute until tender and the onion is translucent.
  5. Remove from heat and stir in the Parmesan and cheddar cheese, sour cream, salt, and pepper.
  6. Pour mixture into your 9x9 baking dish.
  7. Mix 2 tablespoon butter and crushed crackers and sprinkle evenly over the squash.
  8. Bake 20 minutes.
  9. Remove and serve warm.

Recipe Notes

Recipe from Paula All images and content are copyright protected. Please do not use my images without prior permission that includes copying the ingredient list or entire recipe and posting in the comments on Pinterest for Facebook. If you want to share this recipe, please simply link back to this post for the recipe.

Thank you, Paula