Add flours, sugar, baking powder and salt in a bowl and mix well. Use a pastry blender to cut butter into coarse crumbs.
In a separate small bowl, combine half and half, egg and vanilla and whisk well. Add to dry mixture and mix until just combined. Fold in apples.
Place dough onto a floured surface and knead ten times. Dough may be a little sticky, so add additional flour to knead.
Shape into a 5" circle about ½" thick. Cut into 4 triangles and place onto an ungreased baking sheet. Bake for 15-20 minutes. Cool until warm and drizzle with caramel topping and sea salt.