Garlic Bread Biscuits

Name: Garlic Bread Biscuits
Ingredients: 7 cups (875 g) all-purpose flour; ¼ cup (50 g) sugar; 2 Tbsp. plus 2 tsp. baking powder; 1 Tbsp. plus 1 tsp. garlic powder; 1 tsp. baking soda; 2 oz. Parmesan, finely grated (about 1 cup), plus more for serving; ½ cup (packed) plus 3 Tbsp. finely chopped parsley; 2 Tbsp. Diamond Crystal or 1 Tbsp. plus ½ tsp. Morton kosher salt, plus more; 2 cups (4 sticks) chilled unsalted butter, thinly sliced, plus 4 Tbsp. (½ stick) left whole; 2½ cups buttermilk; 4 garlic cloves, finely grated