01 -
Heat a skillet over medium heat. Add the breakfast sausage and cook, breaking it into small crumbles, until browned and cooked through, 8-10 minutes. Drain on paper towels and let cool slightly.
02 -
Preheat the oven to 425°F. Line a large baking sheet with parchment paper.
03 -
In a large bowl, whisk together the flour, sugar, baking powder, baking soda, salt, garlic powder, and black pepper.
04 -
Add the cold cubed butter and cut it into the flour with a pastry cutter or your fingertips until the pieces are about pea-size.
05 -
Add the cooled sausage, cheddar, and green onions. Pour in the buttermilk and stir gently just until a shaggy dough forms. Do not overmix.
06 -
Scoop 12 mounds of dough onto the prepared baking sheet, spacing them about 2 inches apart. Brush the tops lightly with the beaten egg mixture.
07 -
Bake for 18-20 minutes, until the biscuits are puffed, golden brown, and cooked through in the center. Cool for 5 minutes before serving.