What Makes Dr. Pepper so delicious? Dr. pepper is actually a blend of all 23 flavors. Supposedly those flavors are cola, cherry, licorice, amaretto almond, vanilla, blackberry, apricot, blackberry, caramel, pepper, anise, sarsaparilla, ginger, molasses, lemon, plum, orange, nutmeg, cardamon, all spice, coriander juniper, birch and prickly ash.