Mix together the Sifted Carbalose Flour, All purpose flour, Baking Powder and salt.
In a large mixing bowl, cream the butter until smooth and fluffy.
Add the egg, egg whites, milk and Vanilla Extract and beat well.
Add the sweetener and mix well.
Add the dry ingredients a couple of scoops at a time, beating in between scoops.
Once all of the dry ingredients are well mixed in, form into a ball and cover tightly with plastic wrap.
Refrigerate for 1 hour.
Preheat oven to 375 °F (190 C)
Line baking sheets with parchment paper.
Sprinkle some Carbaose Flour onto a hard flat surface.
Working with half of the dough at a time, roll to about 1/8 to 1/4 inch thickness on the floured surface.
Using cookie cutters, cut into heart shapes and theen place on the parchment lined pan about 2 inches apart.
Bake in center of oven for 8 to 10 minutes.
Remove from oven and allow to cool on the pan for a couple of minutes.
Using a thin spatula, remove the cookies from the parchment paper and place onto a wire cooling rack.
Allow cookies to cool completely before icing.