Classic Buttermilk Biscuits
Makes 8 (2 1/2-inch) biscuits.
Note: If you don't have buttermilk on hand, you can thin 1/2 cup plain yogurt with milk to make 3/4 cup, or stir a teaspoon of lemon juice into 3/4 cup milk and let sit for 10 minutes. From Kim Ode.
• 2 c. flour, plus more for dusting
• 1/2 tsp. salt
• 1 tbsp. baking powder
• 1/2 tsp. baking soda
• 6 tbsp. unsalted butter, frozen
• 3/4 cup cold buttermilk, plus more for brushing