Which food has less impact on blood sugar?

ENRICHED WHEAT FLOUR (BLEACHED WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), SUGAR, VEGETABLE SHORTENING (SOYBEAN OIL AND FULLY HYDROGENATED SOYBEAN OIL), CHOCOLATE CHIPS (SUGAR, CHOCOLATE LIQUOR, COCOA BUTTER, SOY LECITHIN [ADDED AS AN EMULSIFIER], ARTIFICIAL FLAVOR), M & M CANDY (MILK CHOCOLATE [SUGAR, CHOCOLATE, COCOA BUTTER, SKIM MILK, MILKFAT, LACTOSE, SOY LECITHIN, SALT, ARTIFICIAL FLAVOR], SUGAR, LESS THAN 0.5% CORNSTARCH, CORN SYRUP, COLORING [INCLUDES YELLOW 5 LAKE, BLUE 1 LAKE, RED 40 LAKE, YELLOW 6 LAKE, BLUE 2 LAKE], DEXTRIN), INVERT SUGAR, VEGETABLE MARGARINE (LIQUID SOYBEAN OIL, PALM OIL, PALM KERNEL OIL, SKIM MILK, CULTURED SKIM MILK, CONTAINS 2% OR LESS OF: SALT, MONO AND DIGLYCERIDES AND SOY LECITHIN [USED AS EMULSIFIERS], SODIUM BENZOATE [TO PRESERVE FRESHNESS], VITAMIN A PALMITATE, COLORED WITH BETA CAROTENE [SOURCE OF VITAMIN A], NATURAL AND ARTIFICIAL FLAVORS), WATER, WHOLE EGG SOLIDS (WHOLE EGG SOLIDS, SODIUM SILICO ALUMINATE [PROCESSING AID]), LEAVENING (BAKING SODA, SODIUM ALUMINUM SULFATE, CORN STARCH), MONO AND DIGLYCERIDES WITH CITRIC ACID (USED AS AN ANTIOXIDANT), NATURAL AND ARTIFICIAL FLAVOR (MILK), SALT, MOLASSES (MOLASSES, WHEAT STARCH, SILICON DIOXIDE [ANTI-CAKING AGENT] AND SOY LECITHIN [PROCESSING AID]), CARAMEL COLOR.