Which food has less impact on blood sugar?

SUGAR, ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), VEGETABLE SHORTENING (PALM OIL, MONO-AND DIGLYCERIDES, POLYSORBATE 60), EGG WHITES, WATER, SOYBEAN OIL, EGGS, INVERT SUGAR, CONTAINS LESS THAN 2% OF THE FOLLOWING: LEAVENING (SODIUM ACID PYROPHOSPHATE, BAKING SODA, MONOCALCIUM PHOSPHATE), WHEAT STARCH, MODIFIED TAPIOCA AND CORN STARCH, PROPYLENE GLYCOL MONO-AND DIESTERS OF FATS AND FATTY ACIDS, SALT, WHEY (A MILK DERIVATIVE), DEXTROSE, MONO-AND DIGLYCERIDES, NATURAL FLAVOR, SODIUM CASEINATE (A MILK DERIVATIVE), NATURAL AND ARTIFICIAL FLAVOR, GUAR GUM, POLYSORBATE 60, SOY LECITHIN, XANTHAN GUM, SODIUM STEAROYL LACTYLATE, DISODIUM PHOSPHATE, ASCORBIC ACID, CITRIC ACID, MAY ALSO CONTAIN ONE OR MORE OF THE FOLLOWING: CORN STARCH, 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).