Preheat the oven to 375 degrees Farenheit. Line a baking sheet with parchment paper and set aside.
Grate your butter with a cheese grater or cut into small pieces with a sharp knife. Pop the butter in the freezer while you prep the dry ingredients.
In a medium mixing bowl, whisk together flours, sugar, baking powder and salt.
Add the cold grated butter and cut it in with a pastry cutter, until the butter is very small and the mixture has a slightly grainy texture.
Add the molasses and milk. Stir (you can use the pastry cutter, or a fork works well) until the mixture forms a ball and is well combined. Don't over mix.
Place the ball of dough on your baking sheet and use your hands to press it out into a circle, about 7 inches in diameter.
Brush a layer of heavy cream on top of the scones.
Use a large knife to cut the scones into 8 equal triangles.
Bake 30-35 minutes, until lightly browned.
Enjoy fresh with butter and jam!