Oh So Gooey Cheddar Cheese Scones

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Butler Estate in Irving, Texas in 1988.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * 2 cups all purpose flour
 * 1 tablespoon baking powder
 * 1 tablespoon granulated sugar
 * ½ teaspoon salt
 * ½ teaspoon dry mustard
 * 3 tablespoons butter at room temperature cut into small pieces
 * 3 ounces grated sharp cheddar cheese
 * 1 egg
 * ½ cup milk

Directions

 * 1) Combine dry ingredients in a mixing bowl and cut in the butter using a fork.
 * 2) Add cheese stirring just enough to incorporate.
 * 3) Beat egg and milk together and add to the flour mixture stirring as little as possible.
 * 4) Turn out onto a floured surface and pat down to a thickness of about 1½ inches.
 * 5) Cut into 2-inch rounds and place on a baking sheet.
 * 6) Bake in a preheated 425°F oven for 15 minutes.