This Easy Southern Squash Casserole is creamy, cheesy, and packed with flavor! It features tender squash mixed with a delicious sauce, topped with crunchy breadcrumbs.
I love how this dish brings a taste of the South right to my table. It’s like a warm hug on a plate! Plus, it’s an awesome way to use up all that summer squash. 🥒
Making this casserole is a breeze—just mix, layer, and bake! It’s a perfect side for any meal, and trust me, everyone will want seconds.
Key Ingredients & Substitutions
Yellow Squash: This is the star ingredient. Look for firm, vibrant squash to ensure freshness. If you can’t find yellow squash, zucchini is a great substitute, giving a similar texture and taste.
Onion: A regular yellow onion works best for flavor. If you prefer a milder taste, go for a sweet onion like Vidalia. You can also skip the onion if you’re not a fan!
Cheddar Cheese: Sharp cheddar adds a nice tang. If you’re looking for something milder, use mild cheddar or a blend of mozzarella and cheddar. Vegan cheese options can work too if you’re avoiding dairy.
Mayonnaise: It adds creaminess, but if you want a lighter option, replace it with Greek yogurt for a tangy taste and healthier profile.
Crushed Crackers: I love buttery crackers, but feel free to use panko or corn flakes for a gluten-free option. They give a great crunch on top!
How Do I Get My Squash Tender Without Making It Mushy?
To get your squash tender yet not mushy, the key is quick cooking. Cook the sliced squash and onions in boiling water for just 5 minutes. Here’s how:
- Bring salted water to a rolling boil before adding the squash and onions.
- Keep the cooking time short—around 5 minutes is perfect. You want them tender but still holding their shape.
- After draining, pat them dry with paper towels to eliminate extra moisture. This prevents a soggy casserole!
By following these steps, your casserole will have that lovely texture everyone loves! Enjoy making it! 🌼
Easy Southern Squash Casserole
Ingredients You’ll Need:
- 4 cups yellow squash, sliced
- 1 medium onion, finely chopped
- 2 large eggs
- 1 cup sour cream
- 1 cup shredded sharp cheddar cheese
- 1/2 cup mayonnaise
- 1/4 cup all-purpose flour
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 cup crushed buttery crackers (e.g., Ritz crackers) or crushed buttery corn flakes
- 2 tablespoons melted butter
Time Needed:
This delicious casserole takes about 10 minutes for prep and around 30 to 35 minutes to bake. So, in total, you can have this scrumptiously cheesy dish ready to serve in about 45 minutes!
Step-by-Step Instructions:
1. Prepare Your Oven and Dish:
First, you’ll want to preheat your oven to 350°F (175°C). While that’s heating up, grab a 9×13-inch baking dish and grease it with butter or non-stick spray. This will help ensure your casserole doesn’t stick to the bottom!
2. Cook the Squash and Onion:
Next, take a large pot and fill it with salted water. Bring it to a rolling boil. Once boiling, add the sliced yellow squash and finely chopped onion. Cook them for about 5 minutes, just until they’re tender but still holding their shape. After that, drain the mixture well and pat it dry with paper towels to soak up any excess moisture.
3. Mix the Base:
In a large mixing bowl, crack the two eggs and beat them well. Then add in the sour cream, mayonnaise, flour, salt, and black pepper. Mix everything together until it’s nice and smooth—this will create a creamy base for your casserole!
4. Combine with Squash and Cheese:
Now it’s time to fold in your cooked squash and onions. Add in the shredded sharp cheddar cheese and gently mix everything together until combined. You want to make sure every bit of vegetable is coated in that cheesy goodness!
5. Fill the Baking Dish:
Pour the delicious mixture into your greased baking dish. Make sure to spread it out evenly with a spatula so it cooks uniformly.
6. Prepare the Topping:
In a small bowl, combine your crushed buttery crackers or corn flakes with melted butter. This will create a crunchy topping that gives the casserole a lovely texture. Carefully sprinkle this mixture evenly over the top of the casserole.
7. Bake it Up:
Pop the casserole into your preheated oven and bake uncovered for 30 to 35 minutes. You’re looking for a golden-brown topping and a set filling. Your kitchen will smell amazing while it bakes!
8. Cool and Serve:
Once it’s out of the oven, allow it to cool for a few minutes before diving in. This will help it set a little more. Serve and enjoy your creamy, cheesy Southern squash casserole with family and friends!
Frequently Asked Questions (FAQ)
Can I Use Green Zucchini Instead of Yellow Squash?
Absolutely! Zucchini is a great substitute for yellow squash in this recipe. Just slice it in the same way and follow the same cooking instructions. The taste will be slightly different but delicious all the same!
What Can I Substitute for Mayonnaise?
If you’re looking to replace mayonnaise, you can use Greek yogurt for a healthier option or sour cream for a creamier texture. Both will keep the casserole moist while adding a tangy flavor!
How Do I Store Leftovers?
To store leftovers, let the casserole cool completely, then place it in an airtight container. It can be refrigerated for up to 3 days. To reheat, simply warm it in the oven at 350°F (175°C) until heated through, or microwave portions as needed.
Can I Make This Casserole Ahead of Time?
Yes, you can prepare the casserole a day in advance! Just assemble it, cover it, and refrigerate. When you’re ready to bake, remove it from the fridge and let it sit at room temperature for about 30 minutes before popping it in the oven. This will ensure even cooking.
