Ingredients:
- 3 1⁄2 sticks (14 oz.) very cold unsalted butter, plus ½ stick (2 oz.) softened unsalted butter
- 5 3⁄4 cups (1 lb. 12 oz.) all-purpose flour (such as White Lily Brand), plus 1 ½ cups for rolling and cutting
- 3 tbsp. plus 1 ½ tsp. sugar
- 2 tbsp. plus 2 tsp. baking powder
- 2 3⁄4 tsp. kosher salt
- 3⁄4 tsp. plus 1/8 tsp. baking soda
- 2 3⁄4 cups (21 oz.) cold buttermilk, preferably high-fat, shaken before using