Greek Yogurt Biscuits

Ingredients (10)

• 3 cups  all purpose flour
• 1 tablespoon granulated sugar
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 3/4 cup cold unsalted butter
• 3/4 cup cold plain Greek yogurt
• 1 large egg
• 3 tablespoons cold water
• 1 large egg