Which food has less impact on blood sugar?

HERSHEY'S MILK CHOCOLATE - MILK CHOCOLATE (SUGAR, MILK, CHOCOLATE, COCOA BUTTER, MILK FAT, LECITHIN (SOY), NATURAL FLAVOR), MILK DUDS CANDY - CORN SYRUP, COLOR, SUGAR, VEGETABLE OIL (PALM OIL, SHEA OIL, SUNFLOWER OIL, PALM KERNEL OIL, &/OR SAFFLOWER OIL), DEXTROSE, REDUCED PROTEIN WHEY (MILK), SKIM MILK, BROWN SUGAR, CONTAINS 2% OR LESS OF: LACTOSE (MILK), MONO- AND DIGLYCERIDES, CHOCOLATE, COCOA, COCOA PROCESSED WITH ALKALI, BAKING SODA, CONFECTIONER'S GLAZE, SALT, LECITHIN (SOY), TAPIOCA DEXTRIN, VANILLIN (ARTIFICIAL FLAVOR), WHOPPERS MALTED MILK BALLS - SUGAR, CORN SYRUP SOLIDS, WHEY (MILK), HYDROGENATED PALM KERNEL OIL, PALM KERNEL OIL, CORN SYRUP, COCOA, MALTED MILK (BARLEY MALT, WHEAT FLOUR, MILK, SALT, BAKING SODA), SORBITAN TRISTEARATE, LECITHIN (SOY), CONFECTIONER'S GLAZE, SALT, ARTIFICIAL FLAVOR, CALCIUM CARBONATE, TAPIOCA DEXTRIN, KIT KAT WAFER BAR - SUGAR, WHEAT FLOUR, COCOA BUTTER, CHOCOLATE, LACTOSE (MILK), VEGETABLE OIL (PALM OIL, PALM KERNEL OIL), SKIM MILK, MILK FAT, CONTAINS 2% OR LESS OF: LECITHIN (SOY), PGPR, VANILLIN (ARTIFICIAL FLAVOR), SALT, YEAST, BAKING SODA, ROLO CANDY - SUGAR, SKIM MILK, CORN SYRUP, HIGH FRUCTOSE CORN SYRUP, VEGETABLE OIL (PALM OIL, SHEA OIL, SUNFLOWER OIL, PALM KERNEL OIL &/OR SAFFLOWER OIL), HYDROGENATED VEGETABLE OIL (PALM KERNEL OIL, SOYBEAN OIL), CHOCOLATE, LACTOSE (MILK), CONTAINS 2% OR LESS OF: SALT, LECITHIN (SOY), PGPR, VANILLIN (ARTIFICIAL FLAVOR), BAKING SODA, REESE'S PEANUT BUTTER CUP - MILK CHOCOLATE (SUGAR, COCOA BUTTER, CHOCOLATE, SKIM MILK, MILK FAT, LACTOSE, LECITHIN (SOY), PGPR), PEANUTS, SUGAR, DEXTROSE, SALT, TBHQ & CITRIC ACID (TO MAINTAIN FRESHNESS)