Which food has less impact on blood sugar?

SUGAR, EGGS, ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, MONO- AND DIGLYCERIDES, ARTIFICIAL FLAVOR, ANNATTO EXTRACT [FOR COLOR], PRESERVATIVE [CALCIUM DISODIUM EDTA], VITAMIN A PALMITATE), EGG WHITES, SKIM MILK, BROWN SUGAR, COCONUT, SOYBEAN OIL, WATER, BUTTERMILK, DEXTROSE, CONTAINS LESS THAN 2% OF THE FOLLOWING: COCOA PROCESSED WITH ALKALI, PECANS, PROPYLENE GLYCOL, SORBITOL, MODIFIED CORN AND TAPIOCA STARCH, GLYCERIN, SEMISWEET CHOCOLATE (SUGAR, CHOCOLATE LIQUOR, COCOA BUTTER, MILKFAT, SOY LECITHIN, NATURAL FLAVOR, SALT), PRESERVATIVE (SODIUM PROPIONATE), XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM, HEAVY CREAM (CREAM, MILK, SKIM MILK, CARRAGEENAN, CELLULOSE GUM, MONOGLYCERIDES, POLYSORBATE 80, SALT, GUAR GUM), POLYSORBATE 60, LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE, MONOCALCIUM PHOSPHATE, SODIUM ALUMINUM PHOSPHATE, ALUMINUM SULFATE), NATURAL AND ARTIFICIAL FLAVOR, AGAR-AGAR, CARAMEL COLOR, PROPYLENE GLYCOL MONO- AND DIESTERS OF FATS AND FATTY ACIDS, WHEY, SALT, NATURAL FLAVOR, MONO- AND DIGLYCERIDES, SODIUM CASEINATE, SOY LECITHIN, WHEAT STARCH, SODIUM STEAROYL LACTYLATE, ENZYMES, DISODIUM PHOSPHATE, ASCORBIC ACID, CITRIC ACID.