Southern Style Squash Casserole Recipe

My mother’s classic Southern style squash casserole is the perfect comfort food side dish.  It’s a Thanksgiving tradition at my house!

Four Ingredient Southern Style Squash Casserole Recipe with Spoon

Southern Style Squash Casserole Recipe

I have never been a vegetable person.  However, my mother’s squash casserole has always been one of my favorite side dishes- even when I was a kid!  It’s only four ingredients, which makes it very simple to put together for a weeknight meal.

You can also make the casserole and put it in the fridge to bake the next day; I’ve done this almost every Thanksgiving to save prep time.

Or, you can completely make it, bake it, and refrigerate it—just reheat and serve!  This is actually my favorite way, because this squash casserole tastes even better the next day.

Hungry for more good Southern food?   Try these other winning recipes.

And, although not strictly Southern, my crustless pumpkin pie is sure to please.

Tips for Making Squash Casserole

  • Make sure you use fresh yellow squash, not frozen squash.  The taste and texture is totally different.
  • I always used to make this with Wheatsworth crackers, but they’re no longer available in stores.  Since Wheatsworth became unavailable, I’ve been using Town House Wheat successfully.  The important thing is to choose a wheat cracker with 0 grams of sugar.  Look at the cracker nutrition info to be sure, because even a little bit of sugar will taste weird in a casserole like this one.
  • Use high quality cheese, and if you want optimum melting, buy chunk cheese and grate it yourself.  Pre-grated cheese contains cornstarch that can interfere with smooth melting.
  • Pick up a bake and take casserole dish so you can bring this along to a potluck gathering.  This is the coolest thing ever!

Four Ingredient Southern Style Squash Casserole Recipe

Special thanks goes out to my husband Jason Moseman, who took the action shot at the top of the post.

Four Ingredient Southern Style Squash Casserole Recipe

Southern Style Squash Casserole Recipe

Classic Southern style squash casserole recipe made with just four ingredients!
Course Side Dish
Cuisine American
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 6
Author Katie Moseman


  • 1 1/2 pounds of yellow squash
  • 1 1/2 cups shredded cheddar cheese plus more for topping
  • 1 1/2 cups crumbled Town House Wheat Crackers or similar, plus more for topping
  • 2 tablespoons mayonnaise


  1. Preheat the oven to 350 and set out a casserole dish (about 1 qt in size).
  2. Wash the squash and cut into 1/2 inch rounds. Put about a half an inch of water in a pot and bring to a boil. Add the squash, cover with a lid, and cook, stirring occasionally, for about 5-7 minutes. Squash is done when the middle part of the largest rounds is starting to break up and the seeds are coming loose.
  3. Drain the squash. In a large mixing bowl, combine the cooked squash, cheese, and mayonnaise. Stir until the cheese is melted. Add the cracker crumbles and stir vigorously until well combined, allowing the squash to break up as you stir.
  4. Scrape the mixture into the casserole dish and smooth out evenly. Sprinkle with a little more cheese and some more cracker crumbles. Bake 30 minutes and serve warm.

Today I’m joining the rest of the Sunday Supper Movement gang to celebrate the theme of recipes with 5 ingredients or less!  This event is hosted by Gluten Free Crumbley, and you can find all the other 5 ingredient or less recipes at the bottom of this post.

More Recipes with 5 Ingredients or Less


Appetizers and Snacks

Main Dish

Side Dish


Sunday Supper MovementJoin the #SundaySupper conversation on twitter on Sunday! We tweet throughout the day and share recipes from all over the world. Our weekly chat starts at 7:00 pm ET. Follow the #SundaySupper hashtag and remember to include it in your tweets to join in the chat. To get more great Sunday Supper Recipes, visit our website or check out our Pinterest board.

Would you like to join the Sunday Supper Movement? It’s easy. You can sign up by clicking here: Sunday Supper Movement.


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