Which food has less impact on blood sugar?

CAKE-SUGAR, ENRICHED BLEACHED FLOUR (BLEACHED WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SOYBEAN OIL, EGGS, EGG WHITES, MODIFIED CORN STARCH. CONTAINS 2% OR LESS OF: NONFAT MILK, SALT, LEAVENING (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE), VITAL WHEAT GLUTEN, EMULSIFIERS (SORBITAN MONOSTEARATE, MONO- AND DIGLYCERIDES, POLYSORBATE 60, SODIUM STEAROYL LACTYLATE, SOY LECITHIN), ARTIFICIAL AND NATURAL FLAVORS, B-CAROTENE (FOR COLOR), DEXTROSE, MALTODEXTRIN, GUM ACACIA, PARTIALLY HYDROGENATED SOYBEAN OIL, ICING-SUGAR, SHORTENING (INTERESTERIFIED SOYBEAN OIL, SOYBEAN OIL, PALM OIL, CANOLA OIL, HYDROGENATED COTTONSEED OIL, MONO- AND DIGLYCERIDES, POLYSORBATE 60, TBHQ [PRESERVATIVE]), CORN SYRUP, WATER, CONTAINS 2% OR LESS OF SALT, CITRIC ACID, CORN STARCH, MODIFIED CORN STARCH, HIGH FRUCTOSE CORN SYRUP, DEXTROSE, MALTODEXTRIN, GUAR GUM, LOCUST BEAN GUM, ALPHA TOCOPHEROL, NATURAL AND ARTIFICIAL FLAVOR, TITANIUM DIOXIDE (FOR COLOR), BLUE 1, BLUE 2, YELLOW 5 LAKE, BLUE 1 LAKE, YELLOW 5, YELLOW 6, RED 40, RED 40 LAKE, RED 3, BLUE 2 LAKE, YELLOW 6 LAKE, PHOSPHORIC ACID, POTASSIUM SORBATE AND SODIUM BENZOATE (PRESERVATIVES). RASPBERRY FILLING- HIGH FRUCTOSE CORN SYRUP, WATER, RED RASPBERRIES, CORN STARCH MODIFIED, SUGAR, CITRIC ACID, SODIUM CITRATE, SALT, POTASSIUM SORBATE AND SODIUM BENZOATE (PRESERVATIVES), GELLAN GUM, RED 40, BLUE 1, NATURAL AND ARTIFICIAL FLAVOR.