Which food has less impact on blood sugar?

SUGAR, ENRICHED WHEAT FLOUR BLEACHED (FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, PALM OIL, SOYBEAN OIL, COCOA PROCESSED WITH ALKALI, CORN SYRUP SOLIDS, CONTAINS 2% OR LESS OF: BETA-CAROTENE (COLOR), CANOLA OIL, CARAMEL COLOR, CITRIC ACID, CORNSTARCH, CREAM CHEESE (PASTEURIZED MILK AND CREAM, SALT, CAROB BEAN GUM, CHEESE CULTURE), EGG WHITES, GLYCERIN, LACTIC ACID, LEAVENING (BAKING SODA, SODIUM ALUMINUM PHOSPHATE), MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, MONO- AND DIGLYCERIDES, ANNATTO EXTRACT [COLOR], PRESERVATIVE [CALCIUM DISODIUM EDTA], ARTIFICIAL FLAVOR, VITAMIN A PALMITATE), MONO- AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, NONFAT MILK, POLYSORBATE 60, POLYSORBATE 80, PRESERVATIVES (POTASSIUM SORBATE, SORBIC ACID), PROPYLENE GLYCOL MONO- AND DIESTERS OF FATTY ACIDS, RED 40, SALT, SEMISWEET CHOCOLATE AND COLORED CONFECTIONERY CURLS (SUGAR, COCOA BUTTER, UNSWEETENED CHOCOLATE, MILK, RED 40 LAKE, BUTTEROIL, SOY LECITHIN, NONFAT MILK), SEMISWEET CHOCOLATE FLAKES (SUGAR, UNSWEETENED CHOCOLATE, BUTTEROIL, COCOA BUTTER, UNSWEETENED CHOCOLATE PROCESSED WITH ALKALI, SOY LECITHIN, NATURAL FLAVOR), SODIUM STEAROYL LACTYLATE, SOY LECITHIN, YELLOW CORN FLOUR.