Original Chocolate Sandwich Cookies with Vanilla Filling

enriched wheat flour (wheat flour, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid), sugar, vegetable oil (palm and canola oil), cocoa (processed with alkali), high fructose corn syrup, contains 2% or less of: leavening (baking soda, calcium phosphate), salt, chocolate, soy lecithin, artificial flavor,