Which food has less impact on blood sugar?

POWDERED SUGAR, SUGAR, ENRICHED WHEAT FLOUR BLEACHED (FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, PALM OIL, EGGS, SOYBEAN OIL, CANOLA OIL, EGG WHITES, CONTAINS 2% OR LESS OF: ANNATTO (COLOR), BUTTER (PASTEURIZED CREAM AND SALT), CARAMEL COLOR, CELLULOSE GUM, CITRIC ACID, COCOA PROCESSED WITH ALKALI, CORN SYRUP, CORN SYRUP SOLIDS, CORNSTARCH, DEXTROSE, FOOD STARCH - MODIFIED, GLYCERIN, GUAR GUM, INVERT SUGAR, LEAVENING (BAKING SODA, MONOCALCIUM PHOSPHATE, SODIUM ACID PYROPHOSPHATE, SODIUM ALUMINUM PHOSPHATE) MODIFIED CELLULOSE, MONO - AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, NONFAT MILK, PARTIALLY HYDROGENATED PALM KERNEL OIL, POLYSORBATE 60, POLYSORBATE 80, POTASSIUM SORBATE AND SODIUM PROPIONATE (PRESERVATIVES), PROPYLENE GLYCOL MONO - AND DIESTERS OF FATTY ACIDS, RED 40, SALT, SEMISWEET AND WHITE CHOCOLATE SQUARE (SUGAR, COCOA BUTTER, MILK, UNSWEETENED CHOCOLATE, WHEY, LACTOSE, SOY LECITHIN, BUTTEROIL, NATURAL FLAVOR, SEMISWEET CHOCOLATE CURLS (SUGAR, UNSWEETENED CHOCOLATE, COCOA BUTTER, BUTTEROIL, SOY LECITHIN, NATURAL FLAVOR), SODIUM CITRATE, SODIUM STEAROYL LACTYLATE, SORBITAN MONOSTEARATE, SORBITAN TRISTEARATE, SOY FLOUR, SOY LECITHIN, WHEY, XANTHAN GUM, YELLOW CORN FLOUR.