"The best broccoli au gratin recipe from The Fresh Cooky. Made with a simple white béchamel sauce, gruyere and sharp cheddar cheese. Easily make gluten-free, the best holiday side dish...."
INGREDIENTS
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8 cups broccoli florets (I like organic, fresh broccoli, see notes for frozen)
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1/4 cup butter
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1/4 cup all-purpose flour (replace with Gluten-Free AP Flour if making GF)
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2-4 cloves garlic (minced)
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1 sprig thyme (leaves or replace with ½ teaspoon dried thyme)
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1 sprig rosemary (stemmed and minced or replace with ¼ teaspoon dried rosemary)
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2 cups half-and-half (or use whole milk)
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½-1 teaspoon kosher salt
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½-1 teaspoon white pepper (or black pepper is fine too)
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⅛ teaspoon nutmeg (fresh grated is best)
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1 cup sharp white cheddar (grated)
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1-1 ½ cups gruyere cheese (grated, divided)
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1/2 cup panko bread crumbs (or try crushed Ritz crackers)
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2 tablespoons butter (melted)
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2 tablespoons parmesan cheese (grated)