Which food has less impact on blood sugar?

ENRICHED BLEACHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE [VITAMIN B1], RIBOFLAVIN [VITAMIN B2], FOLIC ACID), SUGAR, WATER, MARGARINE (PALM OIL, WATER, SALT, MONOGLYCERIDES, NATURAL FLAVOR, CITRIC ACID, BETA CAROTENE COLOR, VITAMIN A PALMITATE), CHERRIES. CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: SOYBEAN OIL, EGGS, YEAST, PALM OIL, DEXTROSE, EGG WHITES, PASTEURIZED CULTURED CREAM, SALT, EMULSIFIERS (MONOGLYCERIDES, SODIUM STEAROYL LACTYLATE), CALCIUM CARBONATE, MODIFIED CORN STARCH, CORN STARCH, HIGH FRUCTOSE CORN SYRUP, CALCIUM PROPIONATE AND POTASSIUM SORBATE AND SODIUM BENZOATE AND SORBIC ACID AND TOCOPHEROLS TO RETAIN FRESHNESS, ENZYME-ACTIVE SOY FLOUR, CORN SYRUP, GUAR AND CELLULOSE AND XANTHAN AND LOCUST BEAN GUMS, MILK SOLIDS BLEND (NONFAT MILK, WHEY, MILK PROTEIN CONCENTRATE), CITRIC ACID, WHEAT GLUTEN, NATURAL AND ARTIFICIAL FLAVORS, LEAVENING (BAKING SODA, SODIUM ACID PYROPHOSPHATE), WHEAT FLOUR, SODIUM CASEINATE, AGAR, LACTOSE, CALCIUM SULFATE, FUMARIC ACID, SODIUM HEXAMETAPHOSPHATE, COLORS (TITANIUM DIOXIDE, RED 40, BETA CAROTENE, BLUE 1), AMMONIUM SULFATE, ENZYMES, PECTIN, CARRAGEENAN, ASCORBIC ACID (ADDED AS A DOUGH CONDITIONER), SODIUM PHOSPHATE, AZODICARBONAMIDE, LACTIC ACID, SILICON DIOXIDE.