Which food has less impact on blood sugar?

VANILLA AND CHOCOLATE ICE CREAM: MILK, CREAM, SUCROSE, CORN SYRUP, COCOA POWDER (COCOA PROCESSED WITH ALKALI, SUGAR, SALT, CARRAGEENAN, VANILLA) NONFAT DRY MILK, WHEY POWDER, STABILIZER (MONO & DIGLYCERIDES, GUAR GUM, LOCUST BEAN GUM, CALCIUM SULFATE, POLYSORBATE 80, CARRAGEENAN), ARTIFICIAL FLAVOR. CHOCOLATE CRUNCH: BLEACHED WHEAT FLOUR, SUGAR, CARAMEL COLOR, PALM OIL, CONTAINS 2% OR LESS OF: COCOA, BAKING SODA, SALT, SOY LECITHIN. VANILLA ICING: WATER, SUGAR, PARTIALLY HYDROGENATED PALM KERNEL OIL, DEXTROSE, CORN SYRUP, CONTAINS LESS THAN 2% OF THE FOLLOWING: SODIUM CASEINATE (A MILK DERIVATIVE), POTASSIUM SORBATE AND SODIUM BENZOATE (TO PRESERVE FRESHNESS), CARBOHYDRATE GUM, POLYSORBATE 60, ARTIFICIAL FLAVOR, SALT, SOY PROTEIN ISOLATE, POLYGLYCEROL ESTERS OF FATTY ACIDS, MONO AND DIGLYCERIDES, SODIUM CITRATE, DISODIUM PHOSPHATE, SOY LECITHIN, XANTHAN GUM. CAKE DECORATIONS: SUGAR, RICE FLOUR, PARTIALLY HYDROGENATED VEGETABLE OIL (COTTONSEED AND/OR SOYBEAN), CORN STARCH, GUM ARABIC, CELLULOSE GUM, CONFECTIONER'S GLAZE, CARRAGEENAN, SOY LECITHIN, WATER, HIGH FRUCTOSE CORN SYRUP, GLYCERINE, MODIFIED FOOD STARCH, CARMINE, METHYL PARABEN, PROPYL PARABEN, SODIUM BENZOATE AND POTASSIUM SORBATE (PRESERVATIVES), XANTHAN GUM, CITRIC ACID, MAY CONTAIN ONE OR MORE OF THE FOLLOWING: TITANIUM DIOXIDE, YELLOW 6, RED 40, YELLOW 5, RED 3, BLUE 1, BLUE 2 LAKE, ARTIFICIAL FLAVOR. TOPPING BASE: VEGETABLE SHORTENING (PARTIALLY HYDROGENATED PALM KERNEL OIL), WATER, SUGAR, CORN SYRUP, POLYSORBATE 60, MODIFIED CELLULOSE, NATURAL AND ARTIFICIAL FLAVORS, SORBITAN MONOSTEARATE, SODIUM STEAROYL LACTYLATE, SALT, SOY LECITHIN, SODIUM CITRATE, XANTHAN GUM AND ANNATTO.