Preheat the oven to 375 degreesWhisk together the flour, baking powder, salt, poppyseeds and sugar.Grate the butter over the flour.Use a knife or pastry cutter to cut the butter in the flour.Whisk together the egg, heavy cream, and lemon juice.Stir the liquid into the dry ingredients. Dough will form a ball.Pat the dough on a floured surface. I use parchment paper.Gently roll the dough out about ¾ inch thick.Use a biscuit cutter to cut scones out.Bake on sprayed a cookie sheet with 2 inches between each scone. I use Parchment Paper.Bake 375 degrees for 20 minutes until barely light tan. Do not over bake.ICINGMix together the powder sugar, juice, and zest until smooth.Brush icing on scones.