Simple Scones

Ingredients

• ✓ 2 cups all-purpose flour
• ✓ ⅓ cup sugar
• ✓ 1 teaspoon baking powder
• ✓ ¼ teaspoon baking soda
• ✓ ½ teaspoon salt
• ✓ 8 tablespoons unsalted butter, frozen
• ✓ ½ cup raisins (or dried currants)
• ✓ ½ cup sour cream
• ✓ 1 large egg