Which food has less impact on blood sugar?

CREAM CHEESE (PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, STABILIZERS [CAROB BEAN AND/OR XANTHAN AND/OR GUAR GUM], WATER, WHEY PROTEIN CONCENTRATE, MODIFIED FOOD STARCH, SALT, CREAM, LACTIC ACID, MILK, POTASSIUM SORBATE, XANTHAN GUM, CHEESE CULTURE, NATURAL FLAVOR, ENZYMES), STREUSEL TOPPING (WHEAT FLOUR, PARTIALLY HYDROGENATED SOYBEAN OIL, HIGH FRUCTOSE CORN SYRUP, DEXTROSE, CONTAINS 2% OR LESS OF CINNAMON, MONO AND DIGLYCERIDES, SALT, NATURAL AND ARTIFICIAL FLAVOR, CARAMEL COLOR), SUGAR, EGGS, GRAHAM CRACKERS (UNBLEACHED UNENRICHED WHEAT FLOUR, GRAHAM FLOUR, SUGAR, PALM AND PALM KERNEL OIL, MOLASSES, HONEY, SALT, SODIUM BICARBONATE), SOUR CREAM (CULTURED CREAM, FOOD STARCH-MODIFIED, SODIUM PHOSPHATE, GUAR GUM, CARRAGEENAN, LOCUST BEAN GUM, POTASSIUM SORBATE), CARAMEL (SWEETENED CONDENSED WHOLE MILK, CORN SYRUP, PALM OIL, CREAM, WATER, GLYCERIN, PECTIN, SALT, DISODIUM PHOSPHATE, SOY LECITHIN, NATURAL AND ARTIFICIAL FLAVORS, CARRAGEENAN, AND POTASSIUM SORBATE), PUMPKIN, MARGARINE (PALM OIL, WATER, SALT, MONO AND DIGLYCERIDES, ARTIFICIAL FLAVOR, ANNATTO [COLOR], CALCIUM DISODIUM EDTA, VITAMIN A PALMITATE ADDED), BROWN SUGAR, VANILLA, WATER, CONCENTRATED ORANGE JUICE, LEMON JUICE, UNSULPHURED MOLASSES, CAKE FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), CINNAMON, GINGER, MACE, NUTMEG, SOY LECITHIN.