Which food has less impact on blood sugar?

DOUGHNUT (ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID AND ENZYME), VEGETABLE SHORTENING (PALM OIL, FULLY AND/OR PARTIALLY HYDROGENATED SOYBEAN OIL, AND/OR PARTIALLY HYDROGENATED COTTONSEED OIL, COTTONSEED OIL, AND/OR SOYBEAN OIL, MONO AND DIGLYCERIDES AND POLYGLYCEROL ESTERS AND/OR BHT AND/OR TOCOPHEROL AND/OR CITRIC ACID), WATER, DEXTROSE, YEAST, SOY FLOUR, SALT, WHEAT GLUTEN, MONOGLYCERIDES, MONOCALCIUM PHOSPHATE MONOHYDRATE, LECITHIN, SUGAR, CALCIUM PROPIONATE (TO MAINTAIN FRESHNESS), DRIED MILK POWDER, ETHOXYLATED MONOGLYCERIDES, CELLULOSE GUM, CALCIUM SULFATE, MALTODEXTRIN, ASCORBIC ACID, NATURAL AND ARTIFICIAL FLAVORS, SORBITAN MONOSTEARATE, AMMONIUM SULFATE, DICALCIUM PHOSPHATE, ENZYME, TRICALCIUM PHOSPHATE, DIAMMONIUM PHOSPHATE); FILLING (WATER, HIGH FRUCTOSE CORN SYRUP, SUGAR, MODIFIED FOOD STARCH, RED RASPBERRIES, ADIPIC ACID, CITRIC ACID, SODIUM CITRATE, SODIUM BENZOATE (TO MAINTAIN FRESHNESS), SALT, LOCUST BEAN GUM, XANTHAN GUM, POTASSIUM SORBATE (TO MAINTAIN FRESHNESS), ARTIFICIAL FLAVOR, RED 40, BLUE 1); GLAZE (SUGAR, WATER, CORN STARCH, PARTIALLY HYDROGENATED SOYBEAN OIL, CALCIUM SULFATE AND/OR CALCIUM CARBONATE, AGAR, DEXTROSE, NATURAL AND ARTIFICIAL FLAVORS, SALT, DISODIUM PHOSPHATE, LOCUST BEAN GUM AND/OR MONO AND DIGLYCERIDES).