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Export 7 ingredients for grocery delivery
Step 1
Preheat oven to 350 degrees. In a food processor, combine bread and Parmesan. Pulse until coarse crumbs form, about 3 to 4 times; set aside.
Step 2
In a large saucepan with a lid, melt butter over medium heat. Add flour; cook, whisking constantly for 1 minute. Whisk in milk.
Step 3
Add cauliflower, and season with salt and pepper. Bring to a boil, and reduce to a simmer. Cover, and cook until starting to soften, about 5 minutes. Remove from heat; gradually stir in Gruyere.
Step 4
Pour mixture into a 2-quart baking dish, and sprinkle with breadcrumb mixture. Cover with aluminum foil; bake until cauliflower is easily pierced with a knife, about 20 minutes. Remove foil, and bake until breadcrumbs are golden brown, about 20 minutes more. Serve.