Adjust oven rack to lower-middle position and pre-heat oven to 375 degrees. In a large bowl, combine flour, sugar, baking powder and salt. Add beer (no sips!) and stir with a fork until just combined. Turn dough onto a floured surface; knead quickly to form a ball.
Transfer bread onto the baking sheet lightly coated with Pam. Confidently slit an X on top with a serrated knife. Brush entire loaf with egg wash. Bake until golden brown, about 45 minutes. Transfer bread to a wire rack to cool.