Which food has less impact on blood sugar?

SUGAR, ENRICHED WHEAT FLOUR BLEACHED (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MARGARINE AND SHORTENING (PARTIALLY HYDROGENATED SOYBEAN OIL, SOYBEAN OIL, NONFAT DRY MILK AND WATER, PARTIALLY HYDROGENATED COTTONSEED OIL, SALT, MONO-AND DIGLYCERIDES, SOYBEAN LECITHIN, ARTIFICIALLY FLAVORED, COLORED WITH BETA CAROTENE, VITAMIN A, PALMITATE ADDED), LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE, SODIUM ALUMINUM PHOSPHATE, MONOCALCIUM PHOSPHATE, ALUMINUM SULFATE), FOOD STARCH-MODIFIED, SUCROSE MALTODEXTRIN, HIGH FRUCTOSE CORN SYRUP, WATER, RED RASPBERRIES, RED RASPBERRY SEEDS, EGG WHITES, WHOLE EGGS, CONTAINS 2% OR LESS OF: DEXTROSE, PROPYLENE GLYCOL MONO & DIESTERS OF FATTY ACIDS, MONO & DIGLYCERIDES WITH BHT & CITRIC ACID AS PRESERVATIVES, SALT, NONFAT MILK SOLIDS, SORBITAN MONOSTEARATE, SOY LECITHIN, XANTHAN GUM, CELLULOSE GUM, POLYSORBATE 60, WHEAT STARCH, PROPYLENE GLYCOL, SILICON DIOXIDE PALM KERNEL OIL, WHEY LACTOSE, MILK FAT, BUTTERMILK, SODIUM CASEINATE, PARTIALLY HYDROGENATED PALM OIL, PROPYLENE GLYCOL MONOESTERS, MONODIGLYCERIDES SODIUM STEAROYL LACTYLATE, CALCIUM SILICATE, CITRIC ACID, ORANGES, LEMONS, GLYCERIN VANILLA (WATER, ALCOHOL, CARAMEL COLOR, NATURAL AND ARTIFICIAL FLAVORS), LECITHIN, PHOSPHOLIPIDS OF SOYBEAN GUAR GUM, TRIETHYL CITRATE, SODIUM BENZOATE (AS PRESERVATIVES), GELLAN GUM, RED 40, BLUE 1, NATURAL AND ARTIFICIAL FLAVOR.