Broccoli Gratin

Details

Ingredients

• 1 large head broccoli, cut into florets
• 6 tablespoons butter, divided
• ½ cup all-purpose flour
• 1 ½ cups milk
• 1 ½ cups shredded Cheddar cheese
• ½ teaspoon salt, or to taste
• ½ teaspoon ground black pepper
• 1 pinch garlic powder
• 1 pinch onion powder
• 2 slices stale bread