Which food has less impact on blood sugar?

DARK CHOCOLATE (SUGAR, CHOCOLATE LIQUOR, COCOA BUTTER, ANHYDROUS MILK FAT, SOY LECITHIN [EMULSIFIER], VANILLA), CONFECTIONERY COATING (SUGAR, VEGETABLE OILS (PALM KERNEL, PALM, HYDROGENATED PALM), DRY WHEY, REDUCED MINERAL WHEY POWDER, WHOLE MILK POWDER, YOGURT POWDER {CULTURED WHEY AND NON-FAT MILK}, NONFAT DRY MILK, COCOA, ARTIFICIAL COLOR, SOY LECITHIN, SALT, ARTIFICIAL FLAVOR, VANILLA), MILK CHOCOLATE (SUGAR, COCOA BUTTER, MILK, CHOCOLATE LIQUOR, SOY LECITHIN, AND VANILLA), PRETZELS (ENRICHED WHEAT FLOUR, SALT, CORN SYRUP, VEGETABLE OIL [MAY CONTAIN: CORN, CANOLA, COTTONSEED, SOYBEAN], SODIUM BICARBONATE AND YEAST), CARAMEL BALL (CORN SYRUP, SUGAR, EVAPORATED MILK (MILK, DIPOTASSIUM PHOSPHATE & CARRAGEENAN [STABILIZERS], VITAMIN D3), WHIPPING CREAM (CREAM, CARRAGEENAN), SALTED BUTTER (SWEET CREAM, SALT), WATER, DRIED EGG WHITES, SALT, SOY LECITHIN, VANILLA), DRIED CRANBERRIES [CRANBERRIES, SUNFLOWER OIL, SUGAR], RAISINS [RAISINS, SUNFLOWER OIL], BROWNIE BITES (WHEAT FLOUR, POWDERED SUGAR, COCOA [PROCESSED WITH ALKALI], SUGAR, DEXTROSE, PARTIALLY HYDROGENATED SOYBEAN AND/OR COTTONSEED OIL, GLYCERINE, HIGH FRUCTOSE CORN SYRUP AND SALT), ALMONDS, CARAMEL CORN (CORN SYRUP SOLIDS, BROWN SUGAR, SUGAR, POPCORN, CORN OIL, BUTTER [CREAM, SALT], MOLASSES, SALT, SOY LECITHIN, BETA CAROTENE [COLOR], NONPAREILS (SUGAR, CORNSTARCH, CONFECTIONER'S GLAZE, CARNAUBA WAX, RED #3, RED #40, YELLOW #6, BLUE #2, YELLOW #5, BLUE #1), GUM ARABIC, CORN SYRUP, SUGAR, MALTODEXTRIN, CONFECTIONER'S GLAZE [FOOD GRADE LAC RESIN]).