Which food has less impact on blood sugar?

SKIM MILK, SUGAR, CREAM, CORN SYRUP, ENRICHED BLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), CONDENSED SKIM MILK, SOYBEAN OIL, PALM AND PALM KERNEL OILS, HYDROGENATED PALM KERNEL OIL, HIGH FRUCTOSE CORN SYRUP, COCOA ALKALI PROCESSED, CONTAINS LESS THAN 2% OF THE FOLLOWING: DEXTROSE, EGGS, MODIFIED TAPIOCA AND CORN STARCH, CORN FLOUR, COCOA, HYDROGENATED COCONUT OIL, SALT, EGG WHITES, LEAVENING (BAKING SODA, MONOCALCIUM PHOSPHATE, SODIUM ACID PYROPHOSPHATE), COCONUT OIL, INVERT SUGAR, SOY LECITHIN, MONO AND DIGLYCERIDES, NATURAL FLAVOR, CHOCOLATE LIQUOR, WHEY, PROPYLENE GLYCOL MONO AND DIESTERS OF FATS AND FATTY ACIDS, COLORED WITH (CARAMEL COLOR, BETA CAROTENE), SODIUM CASEINATE, NATURAL AND ARTIFICIAL FLAVOR, TO PRESERVE FRESHNESS (POTASSIUM SORBATE), POLYSORBATE 60, CORNSTARCH, CITRIC ACID, CARRAGEENAN, LOCUST BEAN GUM, CELLULOSE GUM, GUAR GUM, POLYGLYCEROL ESTERS OF FATTY ACIDS, WHEAT STARCH, XANTHAN GUM, SOY O PROTEIN ISOLATE, CARBOHYDRATE GUM, SODIUM STEAROYL LACTYLATE, DISODIUM PHOSPHATE, ASCORBIC ACID.