Which food has less impact on blood sugar?

SUGAR, VEGETABLE SHORTENING (PALM OIL, MONO-AND DIGLYCERIDES, POLYSORBATE 60), ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), EGG WHITES, SOYBEAN OIL, EGGS, INVERT SUGAR, SKIM MILK, COCOA PROCESSED WITH ALKALI, CONTAINS LESS THAN 2% OF THE FOLLOWING: LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE, MONOCALCIUM PHOSPHATE), PROPYLENE GLYCOL MONO-AND DIESTERS OF FATS AND FATTY ACIDS, MODIFIED TAPIOCA AND CORN STARCH, SALT, WHEY, NATURAL FLAVOR, MONO-AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, SODIUM CASEINATE, POLYSORBATE 60, SOY LECITHIN, WHEAT STARCH, GUAR GUM, XANTHAN GUM, SODIUM STEAROYL LACTYLATE, DISODIUM PHOSPHATE, ASCORBIC ACID, CITRIC ACID. MAY ALSO CONTAIN ONE OR MORE OF THE FOLLOWING: CORNSTARCH, PALM AND PALM KERNEL OILS, RICE FLOUR, DEXTRIN, CONFECTIONER'S GLAZE, CARNAUBA WAX, COCOA, GUM ARABIC, CELLULOSE GUM, CARRAGEENAN, RED 3, YELLOW 5 LAKE, YELLOW 5, BLUE 1, BLUE 1 LAKE, RED 40 LAKE, YELLOW 6 LAKE, YELLOW 6, RED 40, BLUE 2 LAKE, COLORED WITH (FRUIT JUICE CONCENTRATES, SPIRULINA EXTRACT POWDER, BETA-CAROTENE, TURMERIC OLEORESIN, VEGETABLE JUICE, BEET JUICE, TITANIUM DIOXIDE).