This Classic Southern Squash Casserole is a comforting dish made with fresh squash, creamy sauce, and a crunchy topping. It’s the perfect side dish for any meal!
I love how the flavors blend together, and that crispy topping? It’s hard to resist going back for seconds. Plus, it’s super easy to whip up—just mix, bake, and enjoy!
Key Ingredients & Substitutions
Yellow Squash: Fresh yellow squash is crucial for that classic flavor. If you can’t find it, zucchini works well too. Just remember it has a slightly different taste, but it will still be delicious!
Onion: A medium onion adds great flavor. If you prefer something milder, try using green onions or shallots instead. They will add sweetness without being too strong.
Cheddar Cheese: Sharp cheddar is my go-to for that rich flavor. If you want to use a different cheese, Monterey Jack or Gruyère can also be good options! For a lower-fat version, try using a reduced-fat cheese.
Mayonnaise: I like using regular mayonnaise for creaminess. If you’re looking for a lighter alternative, plain Greek yogurt can be used, and you won’t lose that creamy texture.
Crushed Crackers: Butter crackers add crunch and flavor. If you’re gluten-free, crushed gluten-free crackers or even breadcrumbs can do the trick!
How Do I Properly Cook the Squash and Onions?
Cooking the squash and onions before mixing is important for reducing moisture and enhancing flavor. Here’s how to do it:
- Boil slices of squash and chopped onions in salted water for about 5 minutes until tender.
- After draining, pat them dry with a towel to remove excess moisture. This will prevent your casserole from becoming watery!
Classic Southern Squash Casserole
Ingredients You’ll Need:
For the Casserole:
- 4 cups yellow squash, sliced (about 4 medium squash)
- 1 medium onion, finely chopped
- 1 cup shredded sharp cheddar cheese
- 2 large eggs, beaten
- 1 cup mayonnaise
For the Topping:
- 1 cup crushed buttery crackers (such as Ritz)
- 1/2 cup grated Parmesan cheese
- 2 tablespoons butter, melted
Seasonings:
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 teaspoon garlic powder (optional)
How Much Time Will You Need?
This recipe will take about 15 minutes to prepare, followed by 30-35 minutes of baking time. All in all, you’re looking at about 50 minutes to enjoy a delicious, warm casserole!
Step-by-Step Instructions:
1. Preheat and Prepare the Dish:
Start by preheating your oven to 350°F (175°C). While it heats up, grease a 9×13-inch baking dish to prevent sticking.
2. Cook the Squash and Onions:
In a large pot, bring salted water to a boil. Add the sliced yellow squash and the chopped onion. Cook them for about 5 minutes until they are tender. Once done, drain the mixture well, and use a clean kitchen towel or paper towels to press out any excess moisture.
3. Mix the Filling:
In a mixing bowl, combine the cooked squash and onion with the beaten eggs, mayonnaise, shredded cheddar cheese, salt, black pepper, and garlic powder if you like. Stir it all together until well combined!
4. Layer the Casserole:
Pour the squash mixture into the greased baking dish and spread it evenly across the bottom.
5. Prepare the Topping:
In a small bowl, mix the crushed crackers, melted butter, and grated Parmesan cheese until everything is well combined and crumbly.
6. Assemble and Bake:
Sprinkle the cracker mixture evenly over the top of the squash mixture in the baking dish. Pop it into the preheated oven and bake uncovered for 30-35 minutes, or until the casserole is bubbly and the topping is golden brown.
7. Cool and Serve:
Once out of the oven, let the casserole sit for about 5 minutes to cool slightly—this makes it easier to serve. Then dig in and enjoy your hearty Classic Southern Squash Casserole!
This comforting dish is perfect as a side for any meal, and it’s sure to please everyone at the table!
FAQ for Classic Southern Squash Casserole
Can I Use Frozen Squash in This Recipe?
Yes, you can use frozen squash! Just make sure to thaw it completely and drain any excess moisture before cooking. You may want to sauté the thawed squash for a few minutes to help reduce water content.
How Can I Make This Recipe Healthier?
To lighten up the casserole, you can substitute the mayonnaise with Greek yogurt or reduced-fat mayonnaise. Additionally, using low-fat cheese can help cut down on calories without sacrificing flavor.
Can I Make This Casserole Ahead of Time?
Absolutely! You can prepare the casserole a day in advance. Just assemble it, cover it tightly, and refrigerate it. When ready to bake, allow it to sit at room temperature for about 30 minutes before popping it in the oven to ensure even cooking.
How Should I Store Leftovers?
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, just pop it in the microwave or bake it in the oven at 350°F (175°C) until warmed through.
