Creamy Cheesy Broccoli Casserole

Ingredients (12)

• 8 cups broccoli florets, about 2 heads
• 4 tablespoons butter
• 1 tablespoon minced garlic
• ⅓ cup all-purpose flour
• 2 cups milk
• 1 cup water or chicken broth
• 1 1/2 cups shredded cheddar cheese
• 1/2 cup grated parmesan cheese
• Salt and fresh ground black pepper, to taste
• For The Crunchy Topping:
• 1/2 cup panko bread crumbs
• 1 tablespoon butter, melted