Southern Squash Casserole is like a warm hug on a plate, bursting with delightful flavors and textures. Imagine layers of tender squash, creamy cheese, and a crunchy topping that dances in harmony—this dish is the epitome of Southern comfort food. fall-inspired pumpkin muffins.

Whether it’s a family gathering or a cozy dinner, this casserole evokes memories of laughter-filled kitchens and the tantalizing aroma wafting through the air. Get ready to dive into a flavor experience that will have everyone begging for seconds.
Why You'll Love This Recipe
- This Southern Squash Casserole showcases effortless preparation without sacrificing flavor
- Its vibrant colors create an inviting dish that stands out at any meal
- Perfect as a side for barbecues or as a main dish for vegetarian guests
- The combination of textures makes every bite an exciting surprise!
Sharing this casserole at family dinners always brings smiles and compliments from loved ones.
Essential Ingredients
For more inspiration, check out this Garlic Parmesan Smashed Potatoes recipe.
Here’s what you’ll need to make this delicious dish:
- Yellow Squash: Select firm squash with bright skin; they should feel heavy for their size and be free of blemishes.
- Zucchini: Look for fresh zucchini with smooth skin; they add color and moisture to the casserole. zucchini skillet for a hearty meal.
- Onion: Choose sweet onions like Vidalia for their mild flavor, which enhances the overall taste of the dish.
- Garlic: Fresh garlic cloves are best; they pack a flavorful punch that elevates the casserole’s aroma.
- Cheddar Cheese: Use sharp cheddar for more robust flavor; freshly shredded cheese melts better than pre-packaged varieties.
- Breadcrumbs: Opt for seasoned breadcrumbs to add extra flavor and crunch to your casserole topping.
- Eggs: Large eggs help bind the casserole together, giving it that perfect texture when baked.
- Sour Cream: Full-fat sour cream adds creaminess and richness; low-fat versions may not deliver the same result.
- Butter: Unsalted butter is preferable so you can control the saltiness in your dish.
The full ingredients list, including measurements, is provided in the recipe card directly below.
Let’s Make it Together
Preheat Your Oven: Begin by preheating your oven to 350°F (175°C). This ensures your casserole bakes evenly and reaches its golden perfection.
Prepare Your Veggies: Slice about four cups of yellow squash and zucchini into thin rounds. zucchini boats as a delicious side The thinner they are, the quicker they cook down into deliciousness.
Sauté Onions and Garlic: In a skillet over medium heat, melt two tablespoons of butter. quick cheesy taco skillet Add one chopped onion and three minced garlic cloves, cooking until fragrant—around five minutes should do.
Mix It All Up!: In a large bowl, combine the sautéed veggies with four beaten eggs, one cup of sour cream, two cups of shredded cheddar cheese, salt, and pepper to taste. Stir until everything’s mixed well.
Add Breadcrumbs Topping: Transfer your mixture into a greased baking dish (about 9×13 inches). Top with half a cup of seasoned breadcrumbs mixed with melted butter for that irresistible crunchy layer.
Bake to Perfection!: Place your baking dish in the oven and let it bake for 30-35 minutes or until it’s bubbly and golden brown on top. You’ll know it’s done when you see those edges crisping up!
Now you’re ready to enjoy your Southern Squash Casserole! Serve it warm and watch it disappear faster than you can say “yum.” For more inspiration, check out this Easy Bangers and Mash recipe.
You Must Know
- This Southern Squash Casserole is a comfort food classic; it blends flavors and textures beautifully
- The golden topping adds a satisfying crunch that contrasts with the creamy filling
- Perfect as a side or main dish, it’s sure to impress family and friends alike
Perfecting the Cooking Process
Start by sautéing onions and squash until tender, then mix them with cheese and breadcrumbs for an even distribution of flavor.
Add Your Touch
Feel free to substitute zucchini for squash or add cooked bacon for an extra layer of flavor. Experiment with spices like paprika or cayenne for a kick.
Storing & Reheating
Store leftovers in an airtight container in the fridge for up to three days. Reheat gently in the oven at 350°F until warmed through.
Chef's Helpful Tips
- Always use fresh squash for better flavor and texture
- Avoid overcooking to keep the vegetables tender
- For a creamier casserole, add more cheese or sour cream to enhance richness and taste
Creating this dish takes me back to my grandma’s kitchen during summer family reunions, where laughter filled the air as we devoured her famous casserole together.
FAQ
What type of squash is best for Southern Squash Casserole?
Yellow squash works best, but zucchini is a great substitute if preferred.
Can I make Southern Squash Casserole ahead of time?
Yes, prepare it a day ahead, store it in the fridge, and bake before serving.
How do I ensure my casserole doesn’t turn out soggy?
Sauté squash first to reduce moisture before combining with other ingredients.

Southern Squash Casserole
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- Author: Mery Mack
- Total Time: 50 minutes
- Yield: Serves 8
Description
Southern Squash Casserole is a heartwarming dish that captures the essence of Southern comfort food. This delightful casserole features layers of tender yellow squash and zucchini, creamy cheddar cheese, and a crunchy breadcrumb topping. Perfect for family gatherings or cozy dinners, this dish is sure to impress with its harmonious blend of flavors and textures. Prepare to savor every bite as this casserole becomes the star of your table!
Ingredients
- 4 cups yellow squash, sliced
- 2 cups zucchini, sliced
- 1 large Vidalia onion, chopped
- 3 cloves garlic, minced
- 2 cups sharp cheddar cheese, shredded
- 1 cup sour cream
- 2 large eggs, beaten
- 1/2 cup seasoned breadcrumbs
- 2 tablespoons unsalted butter (plus extra for greasing)
- Salt and pepper to taste
Instructions
- Preheat your oven to 350°F (175°C).
- In a skillet over medium heat, melt the butter. Sauté the onion and garlic until fragrant (about 5 minutes).
- In a large bowl, combine sautéed onion and garlic with sliced squash and zucchini.
- Stir in beaten eggs, sour cream, shredded cheese, salt, and pepper until well mixed.
- Transfer the mixture to a greased baking dish (9×13 inches) and top with seasoned breadcrumbs mixed with melted butter.
- Bake for 30-35 minutes or until bubbly and golden brown.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: Southern
Nutrition
- Serving Size: 1 cup (200g)
- Calories: 220
- Sugar: 5g
- Sodium: 300mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 14g
- Fiber: 3g
- Protein: 7g
- Cholesterol: 90mg