Broccoli Gratin With Mustard-cheese Streusel

Total Time: 1 hr Preparation Time: 20 mins Cook Time: 40 mins

Ingredients

• Servings: 8
• 4 tablespoons butter (1/2 stick)
• 1/3 cup minced onion
• 2 large garlic cloves
• 1/2 teaspoon dried mustard
• 4 tablespoons dijon mustard
• 2 1/2 cups fresh sourdough breadcrumbs, made from crustless sourdough bread
• 1 cup packed grated parmesan cheese (about 3oz)
• 12 -13 cups broccoli florets (from about 3 lbs broccoli crowns)
• 1/2 cup whipping cream

Recipe

• 1 melt butter in a large non-stick skillet over medium heat. add onion and garlic; saute until onion is soft, about 4 minutes. mix in dry mustard, then 2 t dijon mustard, blending well. add breadcrumbs; sauté until crumbs are crisp and golden, stirring and pressing with back of fork to separate, about 8 minutes. season with salt and pepper; cool completely. mix in 3/4c cheese.
• 2 cook broccoli florets in large pot of boiling generously salted water until crisp-tender, about 3 minutes. drain. transfer to paper towels; cool. (streusel and broccoli can be made one day ahead. cover separately and refrigerate).
• 3 preheat oven to 350°f butter 13x9x2-inch glass baking dish. place broccoli in large bowl. add whipping cream, remaining 2 t dijon mustard, and 1/4 cup cheese; toss to coat evenly. arrange broccoli in prepared dish. sprinkle streusel over. bake until broccoli is heated through and streusel is browned, about 30 minutes.