Which food has less impact on blood sugar?

INGREDIENTS: SUGAR, ENRICHED BLEACHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), VEGETABLE SHORTENING (SOYBEAN OIL, PALM OIL, AND HYDROGENATED COTTONSEED OIL), NONFAT MILK, EGG WHITES, CORN SYRUP, HIGH FRUCTOSE CORN SYRUP, COLOR BITS (SUGAR, DEXTROSE, WHEAT STARCH, MODIFIED CORN STARCH, CANOLA OIL, CELLULOSE GUM, YELLOW 5 LAKE, RED 40 LAKE, BLUE 2 LAKE, RED 3, BLUE 1 LAKE, BLUE 1), WHEY (MILK), EGGS, CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: LIQUID SUCROSE, CORN STARCH, GLYCERINE, LEAVENING (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, MONOCALCIUM PHOSPHATE), MONO- AND DIGLYCERIDES, MODIFIED CORN STARCH, WHEAT FLOUR, SOY LECITHIN, SALT, NATURAL AND ARTIFICIAL FLAVOR (CONTAINS MILK AND EGG INGREDIENTS), WHEY (MILK) PROTEIN, BUTTER (MADE FROM MILK), XANTHAN GUM, BLEACHED WHEAT FLOUR, SORBITAN MONOSTEARATE, POLYSORBATE 60, CALCIUM SULFATE, SPICES, MONOGLYCERIDES, AGAR, ENZYMES, GUAR GUM, POLYSORBATE 80, CARAMEL COLOR, ANNATTO (COLOR), DEXTROSE, LACTIC ACID, SORBIC ACID (TO RETARD SPOILAGE), TOPPED WITH SPRINKLES (SUGAR, CORN STARCH, PARTIALLY HYDROGENATED VEGETABLE OIL [COTTONSEED AND/OR SOYBEAN], SOY LECITHIN, DEXTRIN, CONFECTIONERS GLAZE, NATURAL AND ARTIFICIAL FLAVOR, RED 40 LAKE, CARNAUBA WAX, YELLOW 6 LAKE, BLUE 1 LAKE, YELLOW 5 LAKE, RED 3, BLUE 1, RED 40).