Cauliflower Gratin - Challenge Dairy

Ingredients

• 1 pound head of cauliflower, cut into large florets (about 4 ½ cups)
• 4 Tablespoons Challenge Butter
• 2 Tablespoons all-purpose flour
• 1 ½ cups milk
• ¾ teaspoon kosher salt
• ¼ teaspoon onion powder
• ¼ teaspoon garlic powder
• ⅛ teaspoon freshly ground black pepper
• 1 cup gruyere, grated and divided (can substitute sharp cheddar or gouda)
• ¼ cup bread crumbs