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All Posts / Southern Squash Casserole

Southern Squash Casserole

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By Rosie Published: November 7, 2017 Updated: July 11, 2023
This post may contain affiliate links.

Creamy yellow squash casserole made southern style! It’s made with sour cream and it’s super cheesy!

Southern Squash Casserole is creamy and cheesy, just heavenly!

Table of Contents
  1. How to Make the Creamiest Squash Casserole Recipe
  2. Print the recipe below, and be sure to subscribe to my YouTube channel!
  3. Southern Squash Casserole
  4. Try these recipes as well!

Hey y’all who’s in the mood for some good old fashioned southern squash casserole? I seriously can eat it every darn day! I remember I recreated Paula Deens cheesy squash casserole, it was love at first bite! No joke, I loved it. I enjoyed the recipe so much that I added it to my favorite holiday recipes collection. I did, however make a few changes. Not a whole lot, but a few slight ones.  Instead of using Ritz crackers (which I love), I like to use fried crispy onions – Like Frenchs. To me it’s more flavorful.

Southern Squash Casserole is a great addition to any meal.

How to Make the Creamiest Squash Casserole Recipe

This cheesy yellow squash casserole is amazing! Instead of using cream of mushroom, this squash casserole is made with sour cream. It’s also loaded with parmesan, and sharp cheddar cheese. The yellow squash is thinly sliced then smothered in a creamy cheesy sauce (that’s also loaded with sweet yellow onions).

Southern Squash Casserole is flavorful and hearty.

Finally this southern squash casserole is topped with delicious golden fried onions. Once the casserole is good to go, it’s place in the oven, and baked to perfection!

When it comes out of the oven you have the most amazing creamy cheesy southern squash casserole.

If you loved this recipe for squash casserole, save & share this PIN on Pinterest!

Southern Squash Casserole is creamy and cheesy with a bit of crunch, so good!

Print the recipe below, and be sure to subscribe to my YouTube channel!

Southern Squash Casserole

These cheesy squash casserole is a simple, delicious side dish that's easy to make and will please the whole crowd.
Print Recipe Pin Recipe
Course Side
Cuisine holiday, Southern
Keyword Squash Casserole
Prep Time 10 minutes minutes
Cook Time 20 minutes minutes
Total Time 30 minutes minutes
Servings 6 servings

Ingredients

  • 6 medium yellow squash thinly sliced
  • 1 large yellow onion thinly sliced
  • 3 tbsp salted butter
  • 1/2 cup grated parmesan
  • 1 cup sharp cheddar cheese shredded
  • 1/2 cup sour cream
  • 1 1/2 tsp salt
  • 1/2 tsp ground black pepper
  • 1 1/2 cup French's Crispy Fried Onions crushed

Instructions

  • Preheat the oven to 350 degrees F.
  • Lightly oil a 9 inch bake dish, then set to the side.
  • Melt the butter in a large pan over medium heat.
  • Once the butter is melted add in the squash & onions.
  • Saute' until translucent, then toss into a large mixing bowl.
  • Add in the cheddar cheese, parmesan, and sour cream.
  • Mix until well combined, then sprinkle in the salt & peppers.
  • Fold the ingredients, then add the mixture into the 9 inch bake dish.
  • Sprinkle the crushed fried onions on top.
  • Bake, uncovered, for 20 minutes or until golden.
  • Remove from the oven, and let cool.
  • Serve & enjoy!
If you loved this recipe, leave me a review below. This helps future recipe makers and ensures continued high-quality recipes for years to come!
© 2025 I Heart Recipes
Recipe by: I Heart Recipes

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EXPLORE RECIPE CATEGORIESAll Posts, Autumn Recipes, casserole, Dinner, Holiday Recipes, Sides, Southern Recipes

MEET THE RECIPE AUTHOR

Rosie

I’m a Soul Food blogger living in the Pacific Northwest, bringing Southern cooking to gorgeous Seattle, Washington. I was born and raised in the PNW, but my family roots go all the way to Baton Rouge, Louisiana, where my grandparents were born and raised. I live every day to bring the traditional values, recipes, and love of food to life for my family—whether they’re online or in real life. So, welcome to the party, family!

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Comments

  1. Kim says

    November 7, 2017 at 10:05 am

    WOW! I need this in my life. Thank for sharing.

    Reply
    • Rosie says

      November 7, 2017 at 10:08 am

      Thanks for coming by Kim!

      Reply
  2. Janet says

    November 7, 2017 at 10:13 am

    I gotta make this for Thanksgiving…no, I gotta make it this weekend!

    Reply
    • Rosie says

      November 7, 2017 at 5:44 pm

      Let me know when you do! XOXO

      Reply
  3. Lorraine Banath-Yasharahla says

    November 7, 2017 at 3:13 pm

    This squash casserole sounds good. Will make this.

    Reply
    • Rosie says

      November 7, 2017 at 5:55 pm

      Thanks for coming by Lorraine

      Reply
  4. Kathy says

    November 8, 2017 at 4:22 pm

    This looks delicious, and you can’t go wrong with crispy onions!

    Reply
    • Rosie says

      November 8, 2017 at 4:53 pm

      It’s amazing!

      Reply
  5. Darlene says

    November 10, 2017 at 8:31 am

    5 stars
    Rosie can you use frozen squash

    Reply
    • Rosie says

      November 10, 2017 at 9:21 am

      Hi Darlene! Absolutely.

      Reply
  6. Patricia McDonald says

    December 22, 2017 at 5:52 am

    5 stars
    Hi Rosie. My husband doesn’t squash so I mash the squash up and add Pepperidge farm dressing mix with your ingredients. He and the family love it. I can share the receipe with you. Thanks.

    Reply
  7. Tiphanie says

    January 4, 2018 at 3:59 pm

    5 stars
    This is such a great recipe! It was a huge hit in my house!

    Reply
  8. Crystal says

    May 12, 2018 at 7:23 am

    5 stars
    Rosie
    Your blog is my go to for recipes. I get plenty of compliments thanks to you.
    Thank you Rosie,
    Crystal

    Reply
    • Rosie says

      May 12, 2018 at 3:07 pm

      Awee. Thanks Crystal!

      Reply
  9. shania says

    June 12, 2019 at 6:54 pm

    5 stars
    this was great!! so flavorful!! i finally found a chef i can trust…some of these other chefs have absolutely no flavor in their recipes

    Reply
  10. Charlie says

    April 5, 2020 at 7:35 am

    I’m looking for a Zucchini squash recipe that was a southern dish I had many years ago. It was cooked on top of the stove and the zucchini looked very similar to mashed potatoes. I know there were lots of onions in it but I have no idea what other ingredients/seasoning I should use. Any Ideas?

    Thanks,
    Charlie

    Reply
    • Rosie says

      April 6, 2020 at 9:32 am

      Hi Charlie! I don’t have that recipe posted as of now, sorry.

      Reply
  11. Virginia R Isaac says

    July 26, 2020 at 6:50 pm

    This receipe is a keeper. Everyone loved it. Will be making again. I give this receipe this 5 stars

    Reply

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Hey cousins, it’s Rosie!

I’m a Soul Food blogger living in the Pacific Northwest, bringing Southern cooking to gorgeous Seattle, Washington. I was born and raised in the PNW, but my family roots go all the way to Baton Rouge, Louisiana, where my grandparents were born and raised. I live every day to bring the traditional values, recipes, and love of food to life for my family—whether they’re online or in real life. So, welcome to the party, family!

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