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Homestyle Squash Casserole

This Homestyle Squash Casserole is another way to use the abundance of summer squash in a most spectacular way. To make it, tender cooked squash and sweet onion are seasoned and mixed with flavorful additions to make it creamy dreamy and delicious. Baked until the top is golden and bubbly, it’s ready to serve alongside your favorite entrees.

Homestyle Squash Casserole

Easy Homestyle Squash Casserole Recipe

Squash casserole is another dish that is regularly seen on our table. It’s the kind of garden comfort food that I learned to make as a girl and I continue to love it to this day. I’ve also noted that making squash this way seems to be one of those sumptuous squash side dishes that appeals to everyone more than steamed vegetables. How to make simple Squash Casserole:

  • Squash – 8-10 cups sliced yellow squash. Yellow squash is also referred to as summer squash.
  • Vegetables – One medium sized sweet onion i.e. Vidalia or similar.
  • Seasonings – Salt, dried Italian seasoning, garlic powder, black pepper.
  • Mix-ins – Mayonnaise, sour cream, butter, Parmesan cheese.
  • Eggs – Two large eggs, lightly beaten.
  • Cheese – Sharp cheddar cheese.
  • Topping – Dry herb stuffing mix. [i.e. Pepperidge Farm or similar]
sliced squash and onion in a pot

How to Make the Best Homestyle Squash Casserole Recipe

  • Ingredients you’ll need to make Homestyle Squash Casserole: Yellow squash, diced onion, salt, mayonnaise, sour cream, black pepper, granulated garlic, Italian seasoning, large eggs, Parmesan cheese, shredded sharp cheddar cheese, dry cornbread stuffing mix, (i.e. Pepperidge Farm or similar) and melted butter.
  • Kitchen gadgets you’ll need: A large bowl, cheese grater, sharp knife and cutting board, a 4 quart pot or saucepan, a large spoon or spatula for stirring, measuring cups and spoons and a 13 x 9 inch baking dish.
  • Can You Use Crackers for the Topping?  A resounding, yes! This squash dish can be topped with dry herb stuffing as I call for in the recipe, or crushed crackers such as Ritz or Club crackers.
  • The casserole filling can be assembled one day in advance then covered and chilled. I recommend that you wait and add the topping just before baking.
  • Store leftover Homestyle Squash Casserole chilled in the refrigerator for up to 3 days. Reheat in a 350°F oven for 15 minutes or until heated through or in single serving portions in the microwave.
cheese squash and sour cream in a bowl

Put Yellow Squash on the Manu Year-Round

While we most often think of yellow squash using the warm summer months, we’re so blessed to have suppliers that make it possible to enjoy year-round. This casserole would be perfect for fall meals and Thanksgiving, too. It’s a dish you’ll find on our table anytime of year, it’s a taste of the South in your mouth.

Unbaked squash casserole

More Southern Style Squash Recipes to Make

Whether you’re an avid summer gardener or love finding more ways to make squash, I’ve got you covered! More homemade squash recipes you may like to try:

Homestyle Squash Casserole

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Helpful Kitchen Items:

Homestyle Squash Casserole

Prep Time20 minutes
Cook Time40 minutes
Resting time10 minutes
Total Time1 hour 10 minutes
Course: Side Dish
Cuisine: American
Keyword: homestyle-squash-casserole
Servings: 16 servings
Calories: 335kcal
Author: Melissa Sperka

Ingredients

  • 8-10 cups sliced yellow squash
  • 1 medium sweet onion diced
  • 2 tsp salt divided
  • 2/3 cup mayonnaise
  • 1/2 cup sour cream
  • 1/2 cup butter, plus 2 Tbsp divided
  • 1/2 cup grated Parmesan cheese
  • 2 large eggs beaten
  • 1 tsp Italian seasoning
  • 1 tsp garlic powder
  • 1 tsp black pepper
  • 2 cups grated sharp cheddar cheese
  • 2 cups dry herb stuffing mix [i.e. Pepperidge Farm or similar]

Instructions

  • Preheat the oven to 350°F. Spray a 13 x 9 inch baking dish with cooking spray, set aside.
  • In a large saucepan cover the sliced squash and diced onion with water. Season with 1 tsp salt. Cook for around 8-10 minutes until fork tender. Drain well.
  • Chunky mash the cooked squash. Add mayonnaise, sour cream, 6 Tbsp butter, grated Parmesan, beaten eggs, 1 tsp salt, seasonings and shredded cheddar cheese. Mix well.
  • Pour evenly into the baking dish.
  • Melt the remaining 4 Tbsp butter and toss with the herb stuffing mix. Alternatively you can substitute crushed Ritz crackers. Sprinkle over the top.
  • Sprinkle with additional Parmesan, if desired.
  • Bake for 40 minutes until the top is golden.
  • Rest on the counter for 10 minutes then serve.

Notes

Please note: You can also use crushed Ritz or Club Crackers for the topping in the same amount. 

Nutrition

Serving: 1serving | Calories: 335kcal | Carbohydrates: 27g | Protein: 10g | Fat: 21g | Saturated Fat: 9g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 63mg | Sodium: 969mg | Potassium: 296mg | Fiber: 2g | Sugar: 5g | Vitamin A: 526IU | Vitamin C: 11mg | Calcium: 197mg | Iron: 2mg
Tried this recipe?Mention @melissassk or tag #melissassk!

 

22 Comments

  1. 5 stars
    So YUMMY!!! Will definitely make this again. Used Stove Top Stuffing mix for the top with the 4 tbsps of butter. Worked beautifully!

  2. 5 stars
    Just like my Mom used to make, we just love this casserole. I make it for Thanksgiving too, not just in the summer.

  3. 5 stars
    I have made this recipe several times and my family will requests it every time they see squash or zucchini! It is so delicious 😋!

  4. 5 stars
    This was awesome! I didn’t have the herb stuffing mix, so I used Ritz crackers. So flavorful and an excellent way to use a bumper summer squash crop! Thank you!

  5. Thank you so much for the squash casserole recipe of “old” like our parents use to make with the Pepperidge Farm dressing. I have looked everywhere for this and just found it on your website. Thank you AGAIN.

    1. That’s precisely why I love it, this is how I was introduced to squash casserole, too. Thanks for stopping by for a visit!

  6. 5 stars
    I didn’t know what to expect from the title. You know I do not think I have encountered a squash casserole anywhere near this one. What a winner! No wonder it was a family favorite comfort food. I am going to introduce it to my family.

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