Which food has less impact on blood sugar?

SUGAR, WATER, BLEACHED ENRICHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), VEGETABLE SHORTENING (PALM OIL, DISTILLED MONOGLYCERIDES, POLYSORBATE 60, CITRIC ACID), SOYBEAN OIL, EGGS, CORN SYRUP, COCOA PROCESSED WITH ALKALI, FOOD STARCH-MODIFIED, CONTAINS LESS THAN 2% OF: MODIFIED CORN STARCH, WHEY, VITAL WHEAT GLUTEN, SALT, SODIUM ALUMINUM PHOSPHATE, DEXTROSE, TITANIUM DIOXIDE, SODIUM PROPIONATE AND POTASSIUM SORBATE (PRESERVATIVES), OLEYL LACTYLIC ACID, SOY LECITHIN, SODIUM BICARBONATE, BAKING POWDER (SODIUM BICARBONATE, SODIUM ACID PYROPHOSPHATE, CORN STARCH, MONOCALCIUM PHOSPHATE), NATURAL AND ARTIFICIAL FLAVORS, SORBITAN MONOSTEARATE, POLYSORBATE 60, MONO AND DIGLYCERIDES, DATEM, PROPYLENE GLYCOL MONOESTERS, BETA CAROTENE, CARBOXYMETHYLCELLULOSE, ANNATTO EXTRACT, TURMERIC, ANTIOXIDANTS (TOCOPHEROLS, ASCORBIC ACID, CITRIC ACID), GUM ARABIC, CITRIC ACID, XANTHAN GUM, GLYCERIN, CORN STARCH, GUAR GUM, PHOSPHORIC ACID, PALM KERNEL OIL, COCOA POWDER, DEXTRIN, GUM TRAGACANTH, CELLULOSE GUM, CARRAGEENAN, CONFECTIONERS GLAZE, GLUCOSE, SUNFLOWER LECITHIN, CARNAUBA WAX, RED 40, GREEN 3, BLUE 1, RED 3, YELLOW 5, YELLOW 6, YELLOW LAKE 6, ENZYMES