Which food has less impact on blood sugar?

DARK CHOCOLATE LAYER (CORN SYRUP, SUGAR, FRACTIONATED PALM KERNEL OIL, UNSWEETENED CHOCOLATE, COCOA [PROCESSED WITH ALKALI], MILK PROTEIN ISOLATE, NATURAL FLAVOR, SALT, XANTHAN GUM, LOCUST BEAN GUM, GUM ARABIC, SOY LECITHIN), CORN SYRUP, SOLUBLE CORN FIBER, HIGH MALTOSE CORN SYRUP, BROWN SUGAR, ROLLED OATS, SOY PROTEIN NUGGETS (ISOLATED SOY PROTEIN, TAPIOCA STARCH, SALT), BROWN RICE SYRUP, WHITE CHOCOLATE CHIPS (SUGAR, COCOA BUTTER, MILK, NONFAT MILK, SOY LECITHIN, NATURAL FLAVOR), CHOCOLATE CHIPS (SUGAR, UNSWEETENED CHOCOLATE, COCOA BUTTER, SOY LECITHIN, NATURAL FLAVOR), CHOCOLATE FLAVORED COATING (SUGAR, FRACTIONATED PALM KERNEL OIL, COCOA, SOY LECITHIN, NONFAT MILK, NATURAL FLAVOR), SOY PROTEIN ISOLATE, DARK CHOCOLATE CRUNCH (BLEACHED WHEAT FLOUR, SUGAR, SUNFLOWER OIL, COCOA [PROCESSED WITH ALKALI], SALT, SODIUM BICARBONATE), SODIUM CASEINATE, EGG WHITE, WHEY PROTEIN ISOLATE, BUTTER POWDER (BUTTER [CREAM, SALT] NONFAT MILK, TOCOPHEROLS AND ASCORBYL PALMITATE ADDED TO PROTECT FLAVOR, SILICON DIOXIDE); LESS THAN 2% OF THE FOLLOWING: CHOCOLATE POWDER (COCOA, SUGAR, UNSWEETENED CHOCOLATE, COCOA BUTTER, SOY LECITHIN, NATURAL FLAVOR), COCOA POWDER [PROCESSED WITH ALKALI], CANOLA OIL, CALCIUM PHOSPHATE, UNSWEETENED CHOCOLATE, MAGNESIUM OXIDE, NATURAL FLAVOR, SALT, VITAMIN AND MINERAL BLEND (FERRIC ORTHOPHOSPHATE [IRON], ASCORBIC ACID [VIT C], DL-ALPHA-TOCOPHERYL ACETATE [VIT E], NIACINAMIDE [VIT B3], ZINC OXIDE, COPPER GLUCONATE, CALCIUM PANTOTHENATE [VIT B5], MANGANESE SULFATE, PYRIDOXINE HYDROCHLORIDE [VIT B6], RIBOFLAVIN [VIT B2], BETA-CAROTENE [VIT A], THIAMINE MONONITRATE [VIT B1], VITAMIN A PALMITATE, CHROMIUM CHLORIDE, FOLIC ACID [VIT B9], BIOTIN [VIT B7], POTASSIUM IODIDE, SODIUM MOLYBDATE, SODIUM SELENITE, VITAMIN K, CYANOCOBALAMIN [VIT B12]).