Which food has less impact on blood sugar?

SUGAR, WATER, FULLY HYDROGENATED PALM KERNEL OIL, EGGS, MARGARINE (INTERESTERIFIED SOYBEAN OIL, BUTTERMILK, SALT, MONO AND DIGLYCERIDES, VITAMIN A PALMITATE, BETA CAROTENE COLOR), ENRICHED BLEACHED WHEAT FLOUR (BLEACHED WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), NON-HYDROGENATED PALM OIL, COCOA PROCESSED WITH ALKALI, BUTTER, REDUCED MINERAL WHEY, NON-HYDROGENATED SOYBEAN OIL, MILK, CORNSTARCH, NONFAT MILK DERIVED SOLIDS, INVERT SUGAR, CREAM CHEESE (PASTEURIZED CULTURED MILK, CREAM, SALT, CAROB GUM), WHEY POWDER, CORN SYRUP, APRICOT PUREE, NON-HYDROGENATED CANOLA OIL, WHEY, WITH SOY LECITHIN, PROPYLENE GLYCOL MONO- AND DIESTERS OF FATTY ACIDS, SORBITAN MONOSTEARATE, POLYSORBATE 60 AND SODIUM STEAROYL LACTYLATE (EMULSIFIERS), SALT, CHOCOLATE (SUGAR, CHOCOLATE LIQUOR, COCOA BUTTER, WHOLE MILK POWDER, MILKFAT, SOY LECITHIN (AN EMULSIFIER), VANILLIN [AN ARTIFICIAL FLAVOR]), LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE, SODIUM ALUMINUM PHOSPHATE AND MONOCALCIUM PHOSPHATE), MODIFIED FOOD STARCH, CARAMEL COLOR, DEXTROSE, NON-HYDROGENATED COCONUT OIL, CONFECTIONER'S GLAZE, CITRIC ACID, CARNAUBA WAX, WITH XANTHAN, CELLULOSE, MODIFIED CELLULOSE, ACACIA AND CARBOHYDRATE GUMS, NATURAL FLAVOR, PECTIN, ARTIFICIAL FLAVOR, WITH POTASSIUM SORBATE, SODIUM BENZOATE AND SULFITES ADDED AS PRESERVATIVES, ARTIFICIAL COLOR INCLUDING RED #40, RED #40 LAKE, YELLOW #5 LAKE AND BLUE #1 LAKE, FULLY HYDROGENATED PALM OIL, MALIC ACID, SODIUM CITRATE, ANNATTO COLOR, SODIUM GLYCOLATE.