Which food has less impact on blood sugar?

SUGAR, ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), CREAM CHEESE (MILK, CREAM, CHEESE CULTURE, SALT, CAROB BEAN GUM), MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, MONO AND DIGLYCERIDES, ARTIFICIAL FLAVOR, ANNATTO EXTRACT, TO PRESERVE FRESHNESS [CALCIUM DISODIUM EDTA], VITAMIN A PALMITATE), VEGETABLE SHORTENING (PALM AND SOYBEAN OILS, MONO AND DIGLYCERIDES, POLYSORBATE 60), SOYBEAN OIL, EGG WHITES, EGGS, CONTAINS LESS THAN 2% OF THE FOLLOWING: LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE, MONOCALCIUM PHOSPHATE), MODIFIED TAPIOCA AND CORN STARCH, PROPYLENE GLYCOL MONO AND DIESTERS OF FATS AND FATTY ACIDS, WHEY, SALT, NATURAL AND ARTIFICIAL FLAVOR, MONO AND DIGLYCERIDES, WHEAT STARCH, SODIUM CASEINATE, POLYSORBATE 60, SOY LECITHIN, GUAR GUM, XANTHAN GUM, SODIUM STEAROYL LACTYLATE, DISODIUM PHOSPHATE, ASCORBIC ACID, CITRIC ACID. BLACK CAKE ALSO CONTAINS: COCOA ALKALI PROCESSED, SKIM MILK, CONFECTIONARY WAFERS (SUGAR, PALM KERNEL AND PALM OIL, COCOA ALKALI PROCESSED, SKIM MILK, SOY LECITHIN, NATURAL FLAVOR), SEMISWEET CHOCOLATE (SUGAR, CHOCOLATE LIQUOR, COCOA BUTTER, MILKFAT, SOY LECITHIN, NATURAL FLAVOR, SALT), HEAVY CREAM (CREAM, MILK, SKIM MILK, CARRAGEENAN, CELLULOSE GUM, MONOGLYCERIDES, POLYSORBATE 80, SALT, GUAR GUM), CORN SYRUP, CHOCOLATE LIQUOR, NATURAL FLAVOR, HIGH FRUCTOSE CORN SYRUP, TO PRESERVE FRESHNESS (POTASSIUM SORBATE, PROPYLENE GLYCOL). WHITE CAKE ALSO CONTAINS: WHITE CONFECTIONARY WAFERS (SUGAR, PALM KERNEL AND PALM OIL, SKIM MILK, WHOLE MILK, SOY LECITHIN, NATURAL FLAVOR), CORNSTARCH, PALM AND PALM KERNEL OILS, DEXTROSE, DEXTRIN, CONFECTIONER'S GLAZE, CARNAUBA WAX.