Southern Yellow Squash Casserole

Southern Yellow Squash Casserole - CRAZY delicious! Creamy, cheesy, easy side dish for any meal.

Southern yellow squash casserole is a go-to side dish for any meal. Put that summer squash to use in this delicious recipe. Creamy, cheesy, easy and crazy good! Even my husband who doesn’t like squash loves this dish. It’s sure to please all diners at the table.

Southern Yellow Squash Casserole

sauteed squash and onions in mixing bowl

Saute the onions and squash in the butter until tender. Season generously with salt and pepper. I personally think you almost can’t add too much pepper to squash.  Once the squash is tender add in the garlic, saute another 2-3 minutes.

 Squash Casserole topped with bread crumb mixture in white casserole

Mix the sour cream, cream of celery soup, cheese, additional salt, and pepper to taste in a small bowl. Place the cooked squash in a large bowl, stir in the cream mixture. Pour the squash mixture into a greased casserole dish. Stir the butter into the stuffing mix and spread evenly over the top.

Southern Yellow Squash Casserole serving on red plate

Bake and serve. This dish is crazy delicious! We think it’s even better the next day.

close up of Southern Yellow Squash Casserole on red plate

Creamy, cheesy goodness right there on your plate!

5 from 4 votes
Southern Yellow Squash Casserole - CRAZY delicious! Creamy, cheesy, easy side dish for any meal.
Southern Yellow Squash Casserole
Prep Time
20 mins
Cook Time
1 hr
Total Time
1 hr 20 mins
Southern Yellow Squash Casserole - CRAZY delicious! Creamy, cheesy, easy side dish for any meal.
Course: Side Dish
Cuisine: American
Servings: 6 servings
Author: Don't Sweat The Recipe
  • 3 tablespoons butter
  • 2 pounds yellow summer squash, sliced into 1/2 inch chunks (about 6 medium)
  • 1/2 medium onion, diced
  • 1 teaspoon salt
  • 1/2 teaspoon fresh ground pepper
  • 2 cloves garlic, minced
  • 1/2 cup sour cream
  • 1 10.5 oz can cream of celery soup
  • 1 cup sharp cheddar cheese, grated
  • 1 1/2 cups herb stuffing mix
  • 3 tablespoons butter, melted
  1. Preheat the oven to 350°F.
  2. Heat a large skillet oven over medium heat. Add the butter. Once the butter is melted add the sliced squash, onions and season generously with salt and pepper, sauté for about 15 minutes, stirring occasionally. Or until the squash is tender. Stir in the minced garlic and saute another 2-3 minutes.
  3. Grease a casserole dish with butter or spray with nonstick cooking spray.
  4. Transfer the cooked squash to a large bowl.
  5. In a small bowl mix the sour cream, soup, cheese, salt, and pepper to taste. Pour the cream mixture into the squash and mix until well combined.
  6. In another small bowl, mix the herb stuffing with the melted butter.
  7. Spoon the stuffing evenly over the top of the squash mixture.
  8. Bake for 35 to 45 minutes or until bubbly and golden brown.
  9. Serve and enjoy.

Southern Yellow Squash Casserole - CRAZY delicious! Creamy, cheesy, easy side dish for any meal.


More Summer Dishes

Homemade Five Bean Salad

close up of Homemade Five Bean Salad in glass bowl

Grilled Parmesan Corn On The Cob

Grilled Parmesan Corn On The Cob garnished with cheese and parsley

Tomato Cucumber Feta Salad

Tomato Cucumber Feta Salad in oval white plate with wooden spoons on red and white striped cloth

Recipe inspired by FiveHeartHome


  1. Reply

    This is one of my favorite recipes! Thank you for sharing on Merry Monday! Hope to see ya next week!

  2. Reply

    What a lovely way to serve yellow squash, Leigh! Isn’t it funny how casseroling something can make even people who don’t like things love them, as your husband does with this? I love yellow squash so I really can’t wait to give this a try. Shared on our H&S Facebook page and scheduled to pin. Thank you so much for sharing, and for being a part of Hearth and Soul.

    1. Reply

      Thank you, April!

  3. Reply

    Looks tasty and is similar to my summer squash quiche.

    1. Reply

      Thank you, Carol!

  4. Reply

    This is a popular one at our house! Thanks so much for sharing your recipe!

  5. Reply

    Congratulations !
    Your recipe in on The Top Ten for Full Plate Thursday this week! Thanks so much for sharing with us and enjoy your new Red Plate. Have a fantastic week and come back to see us soon.
    Miz Helen

    1. Reply

      Thank you so much, Miz Helen! 🙂

  6. Reply

    We made this dish last night and it was a huge hit! So easy and delicious! I highly recommend trying this one.

Leave a Reply

Your email address will not be published. Required fields are marked *