Scottish Oat Scones

3/4 cup melted butter
1/3 cup milk
1 egg
1 1/2 cups whole wheat flour
1 1/2 cups oats
1/4 cup sugar
1 Tbs baking powder
1 tsp cream of tartar
1/2 tsp salt
3 Tbs bran

Combine dry ingredients. In a separate bowl mix melted butter, milk, and egg. Add to dry mixture and stir until combined. Divide dough in half. Pat each half into a round on a baking stone. Score each round into eighths. Bake 12-15 minutes at 375.