Which food has less impact on blood sugar?

SUGAR, ENRICHED WHEAT FLOUR BLEACHED (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), COCOA PROCESSED WITH ALKALI, SOYBEAN OIL, LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE, SODIUM ALUMINUM PHOSPHATE, MONOCALCIUM PHOSPHATE, ALUMINUM SULFATE), FOOD STARCH- MODIFIED, PROPYLENE GLYCOL MONO & DIESTERS OF FATTY ACIDS, MONO & DIGLYCERIDES, DEXTROSE, SORBITAN MONOSTEARATE, NONFAT MILK SOLIDS, CARAMEL COLOR, SALT, NATURAL AND ARTIFICIAL FLAVOR, SOY LECITHIN, XANTHAN GUM, CELLULOSE GUM, POLYSORBATE 60, WATER, CORN SYRUP, POLYSORBATE 80, GLYCERIN, WHEAT STARCH, SULFITES, CITRIC ACID, SILICON DIOXIDE, EGG WHITES, GUAR GUM, TRIETHYL CITRATE, SUCROSE, MALTODEXTRIN, WHOLE EGGS, RICE FLOUR, VEGETABLE OIL (PALM KERNEL, PALM), CORN STARCH, GUM ARABIC, CARRAGEENAN, CONFECTIONER'S GLAZE, FD&C RED 40, FD&C YELLOW 6, FD&C YELLOW 5, FD&C BLUE 1, FD&C BLUE 2, SHORTENING (SOYBEAN AND/OR PALM KERNEL OIL WITH MONO- AND DIGLYCERIDES, POLYSORBATE 60), CAROB POWDER, TRIGLYCERIDES, SHORTENING (PALM OIL & SOYBEAN OIL WITH MONO- AND DIGLYCERIDES AND POLYSORBATE 60 ADDED, TBHQ AND CITRIC ACID ADDED TO PROTECT FLAVOR), BUTTER (PASTEURIZED CREAM, LACTIC ACID), MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT WITH MONO AND DIGLYCERIDES ADDED, COLORED WITH ANNATTO, CALCIUM DISODIUM EDTA ADDED AS A PRESERVATIVE, ARTIFICIAL BUTTER FLAVOR, VITAMIN A PALMITATE ADDED), BOURBONNAIS VANILLA (NATURAL AND ARTIFICIAL FLAVORS, WATER, ETHYL ALCOHOL, CARAMEL COLOR, PARTIALLY INVERTED SUGAR SYRUP, GLYCERIN, CITRIC ACID).