Ingredients

• 1 pound bulk breakfast sausage
• 3 tablespoons all-purpose flour
• 2 cups milk
• 1 teaspoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• 4 buttermilk biscuits, recipe follows
• 4 slices american cheese
• 4 hash brown patties, cooked according to package instructions
• 4 fried eggs
• chopped fresh chives, for garnish
• nonstick cooking spray, for the baking sheet
• 2 1/2 cups all-purpose four, plus more for dusting
• 12 tablespoons (1 1/2 sticks) unsalted butter, 1 stick cubed and chilled and 1/2 stick at room temperature
• 1 tablespoon baking powder
• 1 teaspoon kosher salt
• 1 teaspoon sugar
• 1/4 teaspoon baking soda
• 1 cup buttermilk