Which food has less impact on blood sugar?

ICING(SUGAR VEGETABLE SHORTENING(PALM OIL, CANOLA OIL, MONO-AND DIGLYCERIDES, POLYSORBATE 60), WATER, COCOA (PROCESSED WITH ALKALI). CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: HIGH FRUCTOSE CORN SYRUP, CORN SYRUP, SOYBEAN OIL, CORN STARCH, SALT, NATURAL AND ARTIFICIAL FLAVOR, PHOSPHORIC ACID, GUAR GUM, POTASSIUM SORBATE(PRESERVATIVE), SODIUM BENZOATE(PRESERVATIVE), CAKE(SUGAR, BLEACHED ENRICHED FLOUR(WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), COCOA (PROCESSED WITH ALKALI), VEGETABLE SHORTENING(SOYBEAN OIL, VEGETABLE MONO-AND DIGLYCERIDES, PROPYLENE GLYCOL ESTERS, TOCOPHEROLS, VITAMIN C PALMITATE), DRIED EGG WHITES LEAVENING(SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, SODIUM ACID PYROPHOSPHATE MONOCALCIUM PHOSPHATE) CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: DRIED EGG YOLKS, FOOD STARCH MODIFIED, NONFAT DRY MILK, WHEY PROTEIN CONCENTRATE(MILK), EMULSIFIER(PROPYLENE GLYCOL ESTERS, MONO-AND DIGLYCERIDES, SODIUM STEAROYL LACTYLATE), NATURAL AND ARTIFICIAL FLAVOR, SOYBEAN OIL, SALT CELLULOSE GUM, POLYSORBATE 60, GUAR GUM, SODIUM STEAROYL LACTYLATE XANTHAN GUM, RED 40, SOY FLOUR), WATER, MILK CHOCOLATE(SUGAR, COCOA BUTTER CHOCOLATE, SKIM MILK, LACTOSE, MILK FAT SOY LECITHIN), PEANUTS.CORN SYRUP, SUGAR, PALM OIL, SKIM MILK, LACTOSE, SALT, EGG WHITES, ARTIFICIAL FLAVOR., SUGAR, WATER, PALM OIL, CORN SYRUP, COCOA (PROCESSED WITH ALKALI), CONTAINS 2% OR LESS OF THE FOLLOWING: MONO-AND DIGLYCERIDES, SALT, SOY LECITHIN, CITRIC ACID, POTASSIUM SORBATE (PRESERVATIVE) ARTIFICIAL FLAVOR., SOYBEAN OIL.