Foryoueats: Biscuit Broccoli Cheddar Casserole

Ingredients

• 1 recipe homemade buttermilk biscuits*
• 2 tablespoons unsalted butter
• 1 medium yellow onion, finely diced (about 1 cup)
• 2 teaspoons garlic, minced
• ⅓ cup (42 g) all-purpose flour
• 2 cups (480 g) chicken broth
• 2 cups (490 g) whole milk, room temperature
• 4 cups (364 g) broccoli florets
• ½ teaspoon kosher salt
• ¼ teaspoon black pepper
• ⅛ teaspoon cayenne more or less to taste
• 1 cup (140 g) rotisserie chicken**, finely shredded
• 2 cups (226 g) sharp cheddar cheese, shredded
• Garlic Butter:
• 3 tablespoons butter, melted
• 1 teaspoon kosher salt
• 1 teaspoon garlic, minced
• 1 tablespoon fresh parsley, minced