Yellow Squash Casserole is creamy and cheesy with a buttery and crispy Ritz cracker topping. It makes a delicious side dish and is perfect for using fresh summer squash.
Yellow Squash Casserole with lots of cheddar cheese and a buttery cracker crumb topping is one of my favorite casseroles to make during the summer months. It’s super creamy with tender slices of summer squash and onion. A combination of mayonnaise and sour cream gives it plenty of creamy flavor.
Serve Yellow Squash Casserole at a summer potluck or as a comforting side dish for a family meal. I love it with fried chicken. Actually, I think I love everything with fried chicken. 🙂
This recipe also makes a great holiday side. My som requests it every Thanksgiving and Christmas.
Yellow squash is plentiful at farmers markets in the south during the summer months and it is easily grown in a home garden so I tend to make this casserole frequently during the summer months. But a creamy casserole like this is also extremely comforting during the cooler months.
Yellow Squash Casserole Recipe Tip
This casserole is really easy to make. You do want to precook the squash some because you don’t want it to be crunchy at all in the finished casserole. You can either slice it and saute it, steam it, or even microwave it until just tender.
★★★★★
What readers are saying
This is so easy to make! The taste will take back to grandma’s with family all around eating, laughing and good food.
Make Ahead and Storage Suggestions
This recipe can be prepared through Step 5 a day in advance and refrigerated. Leftovers can be stored in an airtight container in the refrigerator for 4 days.
More Southern Casseroles
- Southern Broccoli Casserole– with a buttery cracker crumb topping.
- Old-Fashioned Cabbage Casserole– people rave about this recipe.
- Pineapple Casserole– a unique blend of sweet and savory.
- Lima Bean Casserole– Creamy and cheesy.
- Crock Pot Sweet Potato Casserole
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Ingredients
- 4 medium yellow squash, ends trimmed and cut into 1/4-inch slices
- 1 medium onion, sliced
- salt and pepper
- 1 egg, lightly beaten
- 1/4 cup mayonnaise
- 1/3 cup sour cream
- 1/4 cup milk
- 1 cup heaping shredded cheddar cheese
- 24 Ritz crackers
- 2 tablespoons butter, melted
Instructions
- Preheat oven to 350 degrees and lightly grease a casserole dish.
- Steam squash and onion until just tender, about 5 to 7 minutes.
- Season squash and onion with salt and pepper.
- In a large bowl, whisk together egg, mayonnaise, sour cream, and milk.
- Stir in cheese, squash and onion. Transfer mixture to casserole dish.
- Crush crackers and scatter on top of squash. Drizzle with melted butter.
- Bake for 30 minutes.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Originally posted May 28, 2016.
Disclosure: This post contains affiliate links.
Can Miracle Whip salad dressing be used instead of mayonnaise?
Need to use zuchini and freeze. Is this possible?
Beautiful and good
Great recipe! Thanks for sharing. However, I noticed that you didn’t answer the question regarding if it can be frozen. We have tons of summer squash and I would love to freeze this dish and reheat come this winter. Yes??
This is a very old recipe that I have been making for over 35 years. I freeze it and it works out good. I like to steam my squash and onions and freeze just them to use at a later date. I also add ground beef from time to time. I think I got it from the Better Homes and Gardens casserole cookbook. Great recipes in that book.
Should squash be peeled before cooking ?
No need to peel the squash.
Amazing way to make an otherwise bland veggie delish! Very tasty! SPICY SOUTHERN KITCHEN YOU ROCK IT!
This sounds delicious! I have loads of fresh yummy yellow squash just waiting to be used in this recipe. Thanks
Best squash casserole recipe I’ve ever tried. My family scarfed this up! Excellent! Thank you!
Excellent! That is the consensus of my group of friends. And they were right! Deee-licious! (I also included zucchini…)
Excellent! That was the consensus of my group of friends. And they were right! Deee-licious!