In a large bowl, blend together the sugar, flour, and baking powder. Cut the butter into small pieces and use a fork to crumble it into the dough. Add in the egg and milk and mix until just combined. You may need to mix with your hands.
Place the dough into a greased 8x8 cake dish in the oven at 425 degrees for 15 to 20 minutes. Let it cool slightly before cutting and serving.
Cut into 8 pie shaped pieces. Each piece can be cut in half and then covered with strawberries and whipped topping.