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
Calories 313 kcal
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, crushed crackers, and parmesan. 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

Nutrition Facts
Old Fashioned Southern Squash Casserole
Amount Per Serving
Calories 313 Calories from Fat 207
% Daily Value*
Fat 23g35%
Saturated Fat 13g81%
Cholesterol 51mg17%
Sodium 476mg21%
Potassium 613mg18%
Carbohydrates 16g5%
Fiber 3g13%
Sugar 7g8%
Protein 14g28%
Vitamin A 932IU19%
Vitamin C 35mg42%
Calcium 365mg37%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.