Blueberry Biscuits

Bahan-bahan (10 porsi)

• 6 tablespoons cold butter
• 1/4 cup granulated sugar
• 1 medium lemon
• 1 cup all-purpose flour
• 1 cup white whole wheat flour*
• 1 tablespoon baking powder
• 1/2 teaspoon kosher salt
• 1 cup non-fat plain Greek yogurt
• 1/4 cup milk
• 1 large egg
• 1 cup fresh or frozen blueberries do not thaw
• 1 cup powdered sugar (sifted if lumpy)
• 3 tablespoons freshly squeezed lemon juice from the lemon above