Preheat the oven to 375°F. Whisk the dry ingredients together in a bowl. Add the butter and using a pastry cutter combine the dry ingredients.
Stir the eggs, yogurt, vanilla extract together. Add to the dry
Flour your counter and your hands. Take the dough out of the bowl and place it on the counter. Pat it into a 1" thick rectangle. Cut into 8 triangular scones. Place on a silicon lined cookie sheet.
Brush the scones with melted butter, and sprinkle with sugar. Bake for 20 minutes, or until lightly browned. Cool completely on a rack.