Pin this A creamy, comforting side dish loaded with tender broccoli, melty cheese, and a crunchy topping—perfect for holiday feasts or cozy weeknight dinners.
This casserole became a staple at our house during chilly winter months. Everyone looks forward to its cheesy goodness and savory aroma wafting from the oven.
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Ingredients
- Broccoli florets: 5 cups, fresh or frozen (thawed)
- Yellow onion: 1 small, finely chopped
- Garlic: 2 cloves, minced
- Sharp cheddar cheese: 2 cups, shredded
- Sour cream: 1 cup
- Milk: ½ cup
- Unsalted butter: 2 tablespoons
- Eggs: 2 large, beaten
- Condensed cream of mushroom soup: 1 can (10.5 oz)
- Dijon mustard: 1 teaspoon
- Salt: ½ teaspoon
- Black pepper: ¼ teaspoon
- Crushed Ritz crackers or seasoned breadcrumbs: 1 cup
- Olive oil or melted butter (for topping): 1 tablespoon
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Instructions
- Preheat and prep:
- Preheat the oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish.
- Sauté aromatics:
- In a large skillet, melt butter over medium heat. Sauté the chopped onion for 3 minutes until translucent. Add garlic and cook for 1 minute more.
- Mix filling:
- In a large bowl, combine broccoli, sautéed onion and garlic, soup, sour cream, milk, eggs, mustard, salt, and pepper. Stir in 1½ cups of the cheddar cheese.
- Assemble casserole:
- Spread the mixture evenly in the prepared baking dish. Top with the remaining ½ cup cheddar cheese.
- Prepare topping:
- In a small bowl, mix crushed crackers with olive oil or melted butter. Sprinkle evenly over casserole.
- Bake:
- Bake for 30 minutes, until bubbly and golden brown. Let rest 5 minutes before serving.
Pin this We always share a laugh while crushing the crackers for the crunchy topping together. This casserole really does bring people to the table.
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Make It Your Own
Try swapping in Swiss or Gruyère cheese for a different flavor spin. Stir in cooked rice or shredded chicken to turn it into a hearty main dish.
Serving Suggestions
Serve warm alongside ham, roast chicken, pork, or a fresh green salad. It keeps well for potlucks and parties.
Allergen Information
Contains dairy, eggs, and wheat (from crackers and soup). Use gluten-free alternatives for a safe swap.
Pin this 
Dig in and enjoy this feel-good favorite with your loved ones. Cheesy broccoli casserole never fails to warm hearts and bellies!
Frequently Asked Recipe Questions
- → How do I keep broccoli tender and not mushy?
Use fresh florets or thaw frozen, avoid overcooking before mixing, and bake until just fork-tender.
- → Can different cheeses be used?
Yes, try Swiss, Gruyère, or Monterey Jack for varied flavor profiles alongside sharp cheddar.
- → Is there a gluten-free version?
Substitute gluten-free condensed soup and crumbs for a delicious gluten-free alternative.
- → What toppings work well besides crackers?
Seasoned breadcrumbs, panko, fried onions, or gluten-free options each add a unique crunch.
- → Can this be made ahead of time?
Prepare and refrigerate before baking; top and bake just before serving for best texture.
- → What are tasty side pairings?
Serve with roast chicken, ham, or a fresh green salad to complement savory flavors.
