Recipes » Side Dish Recipes » Squash and Cornbread Casserole

Squash and Cornbread Casserole

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4.5 from 83 votes
Yellow summer squash combine with convenient cornbread mix, sour cream, and onion for a side-dish casserole to accompany your weeknight dinners.
Prep Time 10 minutes
Cook Time 1 hour
Finished Squash and Cornbread Casserole in a baking dish.

Take one little box of cornbread mix and transform it into a savory, delicious Squash and Cornbread Casserole! Cornbread mix, yellow squash, eggs, and sour cream come together in this delicious side dish for all your weeknight dinners.

Pair this Squash and Cornbread Casserole with your favorite barbeque sides, soups, stews, and more. Or serve it with some fried chicken, butterbeans, and sliced red, ripe tomatoes.

Finished Squash and Cornbread Casserole in a baking dish.

We’re really fortunate that squash of every kind is available to us throughout the year at our local grocery stores. One of my favorites is the beautiful, brightly colored yellow squash. I like them every way you can think of – sauteed, fried, or steamed with onions.

BeeBop, on the other hand, is not a fan. I’ve never understood that since he does like zucchini. But not so much the yellow version. The only exception – this Squash and Cornbread Casserole.

This is an old recipe that has been in my files for years and years. It’s sort of a cross between a casserole and cornbread, more like an old fashioned southern spoonbread or savory pudding, and makes a great side dish with a ham steak, pork chops, or fried chicken and some field peas or okra.

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Ingredient Notes

  • Cornbread mix (I recommend Jiffy brand for this recipe.)
  • Sour cream (regular or low fat, your choice)
  • Egg (lightly beaten)
  • Yellow squash (sometimes called crookneck or summer squash)
  • Onion
  • Thyme
  • Salt and pepper
  • Butter

You’ll find detailed measurements for all ingredients in the printable version of the recipe at the bottom of this post.

How to Make the Recipe

Let’s Go Step-by-Step

I always like to show you the photos and step-by-step instructions for my recipes to help you picture how to make them in your own kitchen. If you just want to print out a copy, you can skip to the bottom of the post where you’ll find the recipe card.

STEP 1. Set your oven to preheat to 350 degrees. Generously grease an 8×8 square baking dish and set it aside.

STEP 2. Finely chop a medium onion.

STEP 3. Using the large holes on a box grater (or your food processor if you’d rather), grate the squash. Every little bit of it is usable except the very tip top and, honestly, that might be just fine grated in there, too.

I know a lot of people would use the food processor, but I’d just as soon take 3 extra minutes to do it by hand than to clean up the food processor. I’m really old-fashioned that way :-)

COOK’S TIP 
You’ll need about 1 1/2 to 2 medium yellow squash to make three cups grated.

STEP 4. In a large bowl, add the cornbread mix, sour cream, and egg.

STEP 5. Stir together until just combined.

Grated squash, thyme, salt and pepper added to batter in mixing bowl.
STEP 6.

STEP 6. Add the grated squash and remaining ingredients except the butter. Stir gently to combine.

Finished batter in a baking dish with pats of butter on top.
STEP 7.

STEP 7. Pour into the prepared dish. Dot the top with butter.

STEP 8. Bake for 1 hour or until golden brown.

Finished squash and cornbread casserole in a baking dish.
STEP 9,

STEP 9. Remove from the oven and cool slightly.

Tips

  • You’ll need 1 1/2 to 2 medium sized yellow squash to make three cups grated.
  • Best served warm but can be left at room temperature for several hours before serving.
  • Reheat in the microwave or in a low (200 degree) oven.

Recipe Variations

  • Stir 1 cup of grated sharp Cheddar cheese into the batter for an extra depth of flavor.
  • A finely diced jalapeno is a great addition. 

FAQs

Can I double the recipe?

Yes, this recipe doubles very easily. For a double recipe, use a 9×13 pan in place of the square pan.

Can I use my own cornbread recipe instead of the mix?

Of course you can. Just make up your favorite cornbread recipe, then add the squash and other ingredients. You may need to adjust the baking time to fit with your cornbread recipe.

Can I freeze this?

Although it’s best served hot and fresh from the oven, you can freeze it if you insist. I’d suggest leaving it in the pan or dish you cooked it in. Wrap the entire thing well in plastic wrap with a layer of foil on the outside. Store in the freezer for no more than 4 weeks.

Have you tried this recipe? I’d really appreciate you giving it a star ⭐️⭐️⭐️⭐️⭐️ rating in the recipe card or in the comments section.
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Recipe

Finished Squash and Cornbread Casserole in a baking dish.

Squash and Cornbread Casserole

Yellow summer squash combine with convenient cornbread mix, sour cream, and onion for a side-dish casserole to accompany your weeknight dinners.
4.47 from 83 votes
Print It Rate It Text It
Course: Side Dishes
Cuisine: Southern
Prep Time: 10 minutes
Cook Time: 1 hour
Total Time: 1 hour 10 minutes
Servings: 8 servings
Calories: 227kcal
Author: Lana Stuart

Ingredients

  • 8.5 ounces cornbread mix recommend: Jiffy brand
  • 1 cup sour cream
  • 1 egg
  • 3 cups grated yellow squash
  • 1 medium onion finely chopped
  • ½ teaspoon dried thyme leaves
  • ½ teaspoon salt
  • ¼ teaspoon pepper
  • 2 tablespoons butter

Instructions

  • Preheat oven to 350 degrees.
  • Generously grease an 8×8 square baking dish.
  • In a large bowl, combine the cornbread mix, sour cream, and egg. Stir until just combined.
  • Add the remaining ingredients except butter. Stir gently to combine.
  • Pour into prepared dish. Dot the top with butter.
  • Bake 1 hour or until golden brown.
  • Remove from the oven and cool slightly.

Notes

Tips
  • You’ll need about 1 1/2 large or 2 medium yellow squash to make 3 cups of grated squash for the recipe.
  • Best served warm but can be left at room temperature for several hours before serving.
  • Reheat in the microwave or in a low (200 degree) oven.
Recipe Variations
  • Stir 1 cup of grated sharp Cheddar cheese into the batter for an extra depth of flavor.
  • A finely diced jalapeno is a great addition.
This recipe doubles very easily. For a double recipe, use a 9×13 pan in place of the square pan.
If you’d like to use your own homemade cornbread recipe, you’ll simply add the squash and other ingredients. You may need to adjust the baking time to fit with your cornbread recipe.
This recipe is best served hot and fresh from the oven, but it can be frozen. I’d suggest leaving it in the pan or dish you cooked it in. Wrap the entire thing well in plastic wrap with a layer of foil on the outside. Store in the freezer for no more than 4 weeks.

Nutrition Information

Serving: 1 | Calories: 227kcal | Carbohydrates: 25g | Protein: 4g | Fat: 13g | Saturated Fat: 6g | Trans Fat: 1g | Cholesterol: 44mg | Sodium: 449mg | Potassium: 215mg | Fiber: 3g | Sugar: 8g | Vitamin A: 419IU | Vitamin C: 9mg | Calcium: 64mg | Iron: 1mg

Nutrition information is calculated by software based on the ingredients in each recipe. It is an estimate only and is provided for informational purposes. You should consult your health care provider or a registered dietitian if precise nutrition calculations are needed for health reasons.

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— This post was originally published on September 5, 2014.

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Recipe Rating




90 Comments

  1. Hi Lana. Your recipe sounds like exactly what I was looking for with one exception–would it be ok to just cut up the squash rather than grate (making sure to squeeze out the liquid by a process I already use)? My family loves veggies and yellow squash is a fave–we like to recognize our vegetables.
    Thanks!
    Shae

  2. I used fresh squash and also added zucchini. I didn’t have sour cream but found out I could substitute it with some cottage cheese/ lemon juice and a little milk. The jiffy mix was awesome as always but some people don’t like it as sweet so next time I may try a more traditional cornbread mix. I didn’t add cheese. I absolutely loved this recipe! It’s great for Autumn baking!

  3. Made it yesterday, it was delicious and slightly sweet, which confused me since no sweet ingredients were used. However, when I looked back at the ingredient list I discovered that I left out the salt, pepper & thyme. I don’t usually use much salt so that must be why I didn’t notice the lack of them.
    I will make this again and, if I don’t forget again I’ll try the to use the missing ingredients.

  4. Do I need to squeeze out the yellow squash before mixing up with other ingred? Getting ready to make this.

    Thanks

      1. This was amazing. I will be making this all summer, for us and to share with others.

  5. I always look forward to your e-mails! Will be making this tomorrow to take to my daughter’s house. Thanks for your good recipes!

  6. 5 stars
    Awesome! So refreshing to find an non-traditional (squash, onions, cheese) squash casserole. It is so yummy! I made it with freshly grated squash but as I have been canning squash, I am hoping I can use my canned squash as well. (I don’t care for frozen squash.) I am going to make one for my daughter and add the jalapenos. I’m thinking maybe even add some corn?? Thanks for sharing such a great recipe!

    1. Glad you like the recipe, Joyce! It is meant to be made with fresh squash as you did. If you try using your canned squash, just be aware that they will have a lot more moisture which could make the casserole soggy. I’d be sure to drain them really well before adding them.

  7. 5 stars
    Delicious way to use squash. I sautéed the onions on low for awhile til lightly browned, and added low fat cheddar cheese and low fat sour cream. I also used fresh thyme. Husband enjoyed too. Looking forward to freezing the rest to see how it is later..

  8. I have everything except yellow squash. Can I use zucchini in place it? I have 3 nice medium/small zucchini’s. This recipe sounds so good. Can’t wait to make it.

  9. Recipe is great as written. Two yellow squash and onion grated takes about five minutes, stir all ingredients and bake. This is ready for the oven in 10 minutes.

    1. Yes, you can Ginny. You can click either the “Print Recipe” at the very top of the post or the “Print” button in the recipe card itself to print just the recipe. I just tested both methods myself and had no problem getting a print of the recipe only.