Which food has less impact on blood sugar?

ENRICHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE [VITAMIN B1], RIBOFLAVIN [VITAMIN B2], FOLIC ACID), MARGARINE (PALM OIL, SOYBEAN OIL, WATER, SALT, MONO- AND DIGLYCERIDES, SOY LECITHIN, SODIUM BENZOATE [PRESERVATIVE], CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, VITAMIN A PALMITATE, BETA CAROTENE [ADDED AS COLOR], VITAMIN D3, WHEY), WATER, FRUIT FILLING (CORN SYRUP, WATER, SUGAR, HIGH FRUCTOSE CORN SYRUP, MODIFIED CORN STARCH, DRIED APPLES, BLUEBERRIES, RED RASPBERRIES, BLUE 1, CELLULOSE GEL, CELLULOSE GUM, CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, PRESERVATIVES [POTASSIUM SORBATE, SODIUM BENZOATE], RED 40, SALT, SODIUM CITRATE, XANTHAN GUM), EGGS, HIGH FRUCTOSE CORN SYRUP, SUGAR. CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: CORN SYRUP, MILK, NEUFCHATEL CHEESE (CULTURED PASTEURIZED MILK AND CREAM, SALT, CAROB BEAN GUM), YEAST, SALT, NONFAT DRY MILK, WHEY, MONO- AND DIGLYCERIDES, PALM OIL, GLYCERIN, PRESERVATIVES (SODIUM PROPIONATE, POTASSIUM SORBATE, CALCIUM ACETATE, CALCIUM PROPIONATE), MODIFIED CORN STARCH, NATURAL AND ARTIFICIAL FLAVORS, SODIUM STEAROYL LACTYLATE, MILK PROTEIN CONCENTRATE, CHEESE CULTURE, LACTIC ACID, ENZYMES, CAROB BEAN GUM, CITRIC ACID, CALCIUM LACTATE, LEMON JUICE CONCENTRATE, ASCORBIC ACID, APOCAROTENAL (COLOR).