Which food has less impact on blood sugar?

CAKE SUGAR, ENRICHED BLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID) EGG WHITES, SOYBEAN OIL, EGGS, SKIM MILK, COCOA ALKALI PROCESSED, WATER, CONTAINS LESS THAN 2% OF THE FOLLOWING: LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPATE, MONOCALCIUM PHOSPHATE), PROPYLENE GLYCOL MONO AND DIESTERS OF FATS AND FATTY ACIDS, WHEY (A MILK DERIVATIVE), SALT, MODIFIED TAPIOCA STARCH, MONO AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, SODIUM CASEINATE (A MILK DERIVATIVE), POLYSORBATE 60, MODIFIED CORN STARCH, WHEAT STARCH, GUAR GUM, CORN SYRUP SOLIDS, XANTHAN GUM, SODIUM STEAROYL LACTYLATE, SOY LECITHIN, WHITE ICING, SUGAR, VEGETABLE SHORTENING (INTERESTERIFIED SOYBEAN OIL, SOYBEAN OIL, HYDROGENATED COTTONSEED OIL, MONO AND DIGLYCERIDES, POLYSORBATE 60), CORN SYRUP, WATER, CONTAINS LESS THAN 2% OF SALT, CITRIC ACID, CORNSTARCH, NATURAL AND ARTIFICIAL FLAVOR, DEXTROSE, TITANIUM DIOXIDE (FOR COLOR), POTASSIUM SORBATE (PRESERVATIVE) CHOCOLATE ICING ALSO CONTAINS- COCOA PROCESSED WITH ALKALI, COLORED ICING ALSO CONTAINS SHORTENING [PALM OIL, CANOLA AND/OR SOYBEAN OIL, MONO AND DIGLYCERIDES, POLYSORBATE 60, TBHQ (PRESERVATIVES), CONTAINS LESS THAN 2% OF GUAR GUM, PHOSPHORIC ACID, SODIUM BENZOATE (PRESERVATIVE), BLUE 1, YELLOW 5, YELLOW 6, RED 40, RED 40 LAKE, RED 3, BLUE 2 LAKE, YELLOW 6 LAKE, SEQUINS-RICE FLOUR, CORN STARCH, ARABIC GUM, XANTHAN GUM, TITANIUM DIOXIDE (FOR COLOR), YELLOW 5, YELLOW 6, BLUE 1, RED 3, RED 40, BLUE 1 LAKE, POLYSORBATE 60.