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Creamy Broccoli Casserole

Creamy Broccoli Casserole

This Creamy Broccoli Casserole is a luscious, comforting side dish loaded with tender broccoli florets enveloped in a rich, cheesy sauce—perfect for family dinners and potlucks.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Course Side Dish
Cuisine American
Servings 6 servings
Calories 280 kcal

Ingredients
  

  • 4 cups broccoli florets fresh or thawed frozen
  • 2 tablespoons unsalted butter Kerrygold recommended
  • 1 small yellow onion finely chopped
  • 2 garlic cloves minced
  • 3 tablespoons all-purpose flour or GF flour
  • 1 1/2 cups whole milk or non-dairy milk
  • 1/2 cup heavy cream optional
  • 2 cups sharp cheddar cheese shredded, divided
  • ground nutmeg a pinch, optional
  • salt and pepper to taste
  • 1/2 cup breadcrumbs panko or crushed crackers, optional

Instructions
 

  • Preheat your oven to 375°F (190°C) and grease an 8×8-inch casserole dish. Blanch the broccoli florets in boiling salted water for 2 minutes, then drain and set aside.
  • In a medium saucepan over medium heat, melt the butter and sauté chopped onion until translucent, about 3 minutes, then add garlic and cook 1 more minute.
  • Sprinkle in the flour, whisking constantly for 1–2 minutes until pale gold, then slowly whisk in milk and cream until the sauce is smooth and thickened.
  • Remove from heat, stir in 1½ cups shredded cheddar until melted, then season with nutmeg, salt, and pepper to taste.
  • Toss the blanched broccoli with the cheese sauce in a large bowl, ensuring each piece is fully coated.
  • Transfer the broccoli mixture into the prepared dish and top with remaining cheddar and breadcrumbs for a golden crust.
  • Bake for 30–35 minutes or until bubbly and golden brown—finish under the broiler for 1–2 minutes if you like extra crunch.
  • Allow to rest 5 minutes so the sauce sets, then garnish with fresh herbs and serve warm.

Notes

For a dairy-free version, swap in plant-based butter, milk, and cheese. Leftovers keep up to 4 days refrigerated or 3 months frozen.

Nutrition

Calories: 280kcal
Keyword Broccoli Casserole, Comfort Food, Creamy Broccoli Casserole, Easy Recipe, Vegetarian Casserole
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