Which food has less impact on blood sugar?

BROWNIE MIX (SUGAR, WHEAT FLOUR, COCOA POWDER PROCESSED WITH ALKALI, PALM OIL, CONTAINS LESS THAN 2% OF: WHEAT STARCH, SALT, DEXTROSE, NATURAL FLAVOR). FROSTING (SUGAR, WATER, PALM OIL, CORN SYRUP, CANOLA OIL, CONTAINS LESS THAN 2% OF: CORN STARCH, MODIFIED CORN STARCH, SALT, CARAMEL COLOR, MONO- AND DIGLYCERIDES, POLYSORBATE 60, PRESERVATIVE [POTASSIUM SORBATE], ANTIOXIDANTS [MIXED TOCOPHEROLS, CHAMOMILE AND ROSEMARY EXTRACT], SODIUM STEAROYL LACTYLATE, XANTHAN GUM, CITRIC ACID, YELLOW 5 LAKE, NATURAL FLAVOR, RED 40). CRUST MIX (BLEACHED WHEAT FLOUR, BROWN SUGAR, PALM OIL, CONTAINS LESS THAN 2% OF: SALT, MALTODEXTRIN, GUM ARABIC, NATURAL FLAVOR, SUGAR SYRUP [SUGAR, WATER]). CANDIES AND PRETZELS POUCH (CANDIES [SUGAR, HYDROGENATED PALM KERNEL OIL, COCOA POWDER, WHEY POWDER, NONFAT DRY MILK, SOY LECITHIN, VANILLA POWDER, YELLOW 5 LAKE, RED 40 LAKE, YELLOW 6 LAKE, BLUE 1 LAKE, BLUE 2 LAKE, GUM ACACIA, CORN SYRUP, CARNAUBA WAX, SHELLAC, BEESWAX], PRETZELS [ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}, MALTED BARLEY FLOUR, SALT, SOYBEAN OIL]).