Which food has less impact on blood sugar?

CARROT CAKE (SUGAR, ENRICHED WHEAT FLOUR BLEACHED [FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], SOYBEAN OIL, DEXTROSE, DRIED CARROTS, FOOD STARCH-MODIFIED, CONTAINS 2% OR LESS OF: BETA-CAROTENE [COLOR], CARAMEL COLOR, CINNAMON, DEFATTED SOY FLOUR, EGG WHITES, EGG YOLKS, GUAR GUM, LEAVENING [BAKING SODA, SODIUM ACID PYROPHOSPHATE, SODIUM ALUMINUM PHOSPHATE], MONO- AND DIGLYCERIDES, PROPYLENE GLYCOL MONO- AND DIESTERS OF FATTY ACIDS, SODIUM STEAROYL LACTYLATE, VITAL WHEAT GLUTEN, WHEY, NATURAL AND ARTIFICIAL FLAVOR, NONFAT MILK, SALT, XANTHAN GUM), CONFECTIONER'S SUGAR (SUGAR, CORNSTARCH), WATER, SOYBEAN OIL, VEGETABLE SHORTENING (SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, HYDROGENATED COTTONSEED OIL, MONO- AND DIGLYCERIDES, POLYSORBATE 60, TBHQ AND CITRIC ACID ADDED TO HELP PRESERVE FRESHNESS), CREAM CHEESE (PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, GUAR GUM, CAROB BEAN GUM, XANTHAM GUM), EGGS, RAISINS, WALNUTS, BUTTER (CREAM, NATURAL FLAVORING), CINNAMON, NATURAL AND ARTIFICIAL FLAVORS & COLORS (WATER, HIGH FRUCTOSE CORN SYRUP, GLYCERINE, FD&C YELLOW 6 [E110] FD&C YELLOW 5, SUGAR, MODIFIED FOOD STARCH, FD&C BLUE 1, CARRAGEENAN GUM, POTASSIUM SORBATE AND SODIUM BENZOATE [PRESERVATIVES], CITRIC ACID, XANTHAN GUM)