This Cheesy Broccoli Casserole is creamy, rich, and incredibly comforting. It’s an easy make-ahead side dish that works just as well for busy weeknights as it does for holidays like Thanksgiving, Christmas, or potlucks.
Copycat Taco Bell Mexican Pizza
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Time & Yield
- Prep Time: 15 minutes
- Cook Time: 35–40 minutes
- Total Time: ~55 minutes
- Servings: 6–8
Ingredients
Main Ingredients
- 4 cups broccoli florets (fresh or frozen)
- 2 cups sharp cheddar cheese, freshly shredded
- 1 cup mozzarella or Colby-Jack cheese (optional, for extra melt)
- 1 can (10.5 oz / 300 g) cream of mushroom soup
(or cream of chicken for non-vegetarian option) - ½ cup sour cream
- ½ cup whole milk (or evaporated milk for extra richness)
- 1 small onion, finely chopped
- 2 cloves garlic, minced
- 2 tbsp butter
- ½ tsp salt (adjust to taste)
- ½ tsp black pepper
- ¼ tsp paprika
- ¼ tsp mustard powder (optional but recommended)
Topping (Optional but Highly Recommended)
- 1 cup crushed buttery crackers or breadcrumbs
- 2 tbsp melted butter
- ¼ cup grated Parmesan cheese
Instructions
1️⃣ Prepare the Broccoli
- Fresh broccoli: Steam or blanch in salted water for 2–3 minutes until just tender-crisp. Drain well.
- Frozen broccoli: Thaw completely and squeeze out excess water.
⚠️ Tip: Removing excess moisture prevents a watery casserole.
2️⃣ Make the Creamy Cheese Base
- Preheat oven to 375°F (190°C).
- In a skillet over medium heat, melt butter.
- Sauté onion for 3–4 minutes until soft.
- Add garlic and cook 30 seconds.
- Remove from heat and stir in:
- Cream of mushroom soup
- Sour cream
- Milk
- Salt, pepper, paprika, and mustard powder
- Fold in 1½ cups cheddar + mozzarella until creamy.
3️⃣ Assemble the Casserole
- Lightly grease a 9×13-inch baking dish.
- Spread broccoli evenly in the dish.
- Pour cheese mixture over broccoli and gently mix.
- Sprinkle remaining ½ cup cheddar cheese on top.
4️⃣ Add the Topping
- Mix crushed crackers, melted butter, and Parmesan.
- Sprinkle evenly over the casserole.
5️⃣ Bake
- Bake uncovered for 35–40 minutes, until bubbly and golden brown.
- Let rest 5–10 minutes before serving.
Make-Ahead Instructions
- Assemble the casserole up to 24 hours in advance.
- Cover tightly and refrigerate.
- Bake straight from the fridge, adding 5–10 extra minutes.
Freezing Instructions
- Assemble without the cracker topping.
- Wrap tightly and freeze for up to 2 months.
- Thaw overnight in fridge, add topping, and bake.
Variations
- Protein Add-In: Cooked chicken, turkey, or ham
- Low-Carb: Skip crackers, top with extra cheese
- Healthier: Use Greek yogurt instead of sour cream
- Extra Veggies: Mushrooms, cauliflower, or spinach
Nutrition (Approx. per Serving)
- Calories: 290–330
- Protein: 12–15 g
- Fat: 22 g
- Carbs: 10–14 g
Q & A
Q: Can I use fresh broccoli instead of frozen?
Yes! Fresh broccoli gives the best texture—just don’t overcook it.
Q: Why is my casserole watery?
Excess moisture from broccoli. Always drain well.
Q: Can I make it gluten-free?
Yes. Use gluten-free soup and GF breadcrumbs or skip topping.
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Q: What cheese melts best?
Sharp cheddar for flavor, mozzarella or Colby-Jack for melt.
Serving Suggestions
Perfect with:
- Roast chicken or turkey
- Grilled steak
- Holiday meals (Thanksgiving, Christmas)
- Simple weeknight dinners
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