Which food has less impact on blood sugar?

LOW FAT GREEK STYLE YOGURT (SKIM MILK, MILK PROTEIN CONCENTRATE, CREAM, PECTIN, ENZYME, CULTURES), SUGAR, SKIM MILK, MILK, CREAM CHEESE (MILK, CREAM, CHEESE CULTURE, SALT, CAROB BEAN GUM), CHERRIES, CORN SYRUP, PALM OIL, ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), EGGS, MARGARINE (SOYBEAN OIL, PALM OIL, WATER, SALT, MONO AND DIGLYCERIDES, NONFAT DRY MILK, SOY LECITHIN, TO PRESERVE FRESHNESS (SODIUM BENZOATE), ARTIFICIAL FLAVOR, VITAMIN A PALMITATE, COLORED WITH (BETA CAROTENE)), CONTAINS LESS THAN 2% OF THE FOLLOWING: MODIFIED CORNSTARCH, GRAHAM FLOUR, BROWN SUGAR, HONEY, RICE FLOUR, CHEESE CULTURE, CORNSTARCH, SALT, GELATIN, CAROB BEAN GUM, LEMON JUICE CONCENTRATE, NATURAL FLAVOR, MONO AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, TO PRESERVE FRESHNESS (SODIUM BENZOATE, POTASSIUM SORBATE), DATEM, CITRIC ACID, BAKING SODA, CINNAMON, XANTHAN GUM, ARTIFICIAL COLORS (RED 40, BLUE 1), COLORED WITH APOCAROTENAL.