Which food has less impact on blood sugar?

SUGAR, ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), EGG WHITES, VEGETABLE SHORTENING (PALM AND SOYBEAN OILS, MONO AND DIGLYCERIDES, POLYSORBATE 60, TO PRESERVE FRESHNESS (TBHQ)), BUTTERMILK, EGGS, SOYBEAN OIL, COCOA ALKALI PROCESSED, SKIM MILK, WATER, CONTAINS LESS THAN 2% OF THE FOLLOWING: MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, MONO AND DIGLYCERIDES, ARTIFICIAL FLAVOR, ANNATTO EXTRACT, TO PRESERVE FRESHNESS (CALCIUM DISODIUM EDTA), VITAMIN A PALMITATE), HIGH FRUCTOSE CORN SYRUP, BROWN SUGAR, COCONUT, RED GLACE CHERRIES (CHERRIES (MAY CONTAIN PITS), CORN SYRUP, HIGH FRUCTOSE CORN SYRUP, WATER, CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, TO PRESERVE FRESHNESS (POTASSIUM SORBATE, SODIUM BENZOATE, SULFITING AGENT), ARTIFICIAL COLOR (RED 40)), NONFAT MILK SOLIDS, MODIFIED CORNSTARCH, DEXTROSE, LEAVENING (BAKING SODA, SODIUM ALUMINUM PHOSPHATE, ALUMINUM SULFATE), NATURAL AND ARTIFICIAL FLAVOR, PECANS, SALT, WHEY, PROPYLENE GLYCOL MONO AND DIESTERS OF FATS AND FATTY ACIDS, PROPYLENE GLYCOL, SORBITOL, GUAR GUM, MONO AND DIGLYCERIDES, GLYCERINE, TO PRESERVE FRESHNESS (SODIUM PROPIONATE), XANTHAN GUM, LOCUST BEAN GUM, POLYSORBATE 60, AGAR, COLORED WITH (CARAMEL COLOR), SODIUM CASEINATE, NATURAL FLAVOR, SODIUM STEAROYL LACTYLATE, SOY LECITHIN.