Cheesy Broccoli Delight Casserole | Recipe Saver

Ingredients

• 2 (32-ounce) packages fresh broccoli florets
• 1/4 cup water
• 4 tablespoons unsalted butter, divided
• 1 cup yellow onion, chopped
• 2 teaspoons garlic, minced
• 1/4 cup all-purpose flour
• 2 cups whole milk
• 1/2 cup mayonnaise
• 1 tablespoon Dijon mustard
• 1 teaspoon kosher salt
• 1 teaspoon black pepper
• 2 cups sharp cheddar cheese, shredded
• 1 1/2 cups rectangle-shaped buttery crackers, crushed
• 2 tablespoons fresh flat-leaf parsley, chopped