Broccoli Casserole
Ingredients
Crumble:
1/2 Cup All-Purpose Flour
1/4 Cup Bread Crumbs
1/4 Cup Grated Parmigiano-Reggiano Cheese
1 Teaspoon Chinese Five-Spice Powder
3 Tablespoons Cold Butter
Filling:
1 Head Broccoli
3 Tablespoons Butter
1 Small Onion, Sliced
1 Clove Garlic, Minced
2 Tablespoons Cornstarch
1/2 Teaspoon Ground Black Pepper
1/4 Teaspoon Ground Nutmeg
1 Cups Sour Cream
1 Cup Half n Half
2 Cups Grated Cheddar Cheese, Divided
Directions
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Preheat the oven to 400 degrees F (200 degrees C).
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Mix flour, bread crumbs, Parmigiano-Reggiano cheese, and five-spice powder together in a bowl. Cut in 1 1/2 tablespoons butter using your fingers until mixture resembles pebbles. Cover and refrigerate until needed.
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Cut the stem off the broccoli and use a spiralizer to cut into ribbons. Cut the head into florets.
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Melt 3 tablespoons butter in a large saucepan over medium heat. Add onion and garlic; saute until translucent, about 4 minutes. Add cornstarch, pepper, and nutmeg; mix well until roux begins to brown, 3 to 4 minutes. Add milk, stirring continuously, and continue to cook until sauce begins to thicken, 3 to 4 minutes more. Mix in 1/4 cup Cheddar cheese. Stir in broccoli until thickened, 2 to 3 minutes. Pour mixture into a baking dish.
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Top mixture with remaining Cheddar cheese. Sprinkle crumble mixture evenly over the top. Reduce the oven temperature to 350 degrees F (175 degrees C).
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Bake in the preheated oven until the crumble has browned and sauce is bubbling, about 20 minutes.