Preheat oven to 375°F. Grease a large baking sheet or use a nonstick one. In a large bowl, sift the cake flour, baking powder, and salt together twice. In a bowl, beat together butter, milk, egg substitute, vanilla, and fructose or sugar substitute. Combine the wet ingredients into the dry ingredients and mix thoroughly.
Drop cookies onto the baking sheet by the teaspoonful and bake in the center of the oven for 20 minutes or until a toothpick inserted in the center of a cookie comes out clean.
Each cookie contains approximately 29 calories, 1 g fat (31% from fat), 3 mg cholesterol, and 32 mg sodium.