Which food has less impact on blood sugar?

ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MARGARINE (PALM OIL, SOYBEAN OIL, WATER, SALT, CONTAINS LESS THAN 2% OF EACH OF VEGETABLE MONO- AND DIGLYCERIDES, SOY LECITHIN, SODIUM BENZOATE [A PRESERVATIVE], CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, VITAMIN A PALMITATE ADDED, BETA CAROTENE [COLOR], WHEY, VITAMIN D), STRAWBERRY FILLING (STRAWBERRIES, WATER, HIGH FRUCTOSE CORN SYRUP, SUGAR, FOOD STARCH-MODIFIED, CORN SYRUP, PROPYLENE GLYCOL, CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, SODIUM BENZOATE AND POTASSIUM SORBATE [AS PRESERVATIVES], LOCUST BEAN GUM, SODIUM CITRATE, XANTHAN GUM, RED 40, BLUE 1, SALT, LACTIC ACID, SODIUM SULFATE), WATER, SUGAR, WHOLE EGGS, HIGH FRUCTOSE CORN SYRUP, MILK, NEUFCHATEL CHEESE (CULTURED PASTEURIZED MILK AND CREAM, SALT, CAROB BEAN GUM), HYDRATED MONOGLYCERIDE (WATER, MONOGLYCERIDES), CONTAINS 2% OR LESS OF: CORN SYRUP, YEAST, PALM OIL, NONFAT MILK, SALT, FOOD STARCH-MODIFIED, MILK PROTEIN CONCENTRATE, CHEESE CULTURE, MICROCRYSTALLINE CELLULOSE, TAPIOCA DEXTRIN, SODIUM STEAROYL LACTYLATE, CAROB BEAN GUM, LACTIC ACID, ARTIFICIAL FLAVOR, MONO- AND DIGLYCERIDES, CASEIN, CITRIC ACID, SOYBEAN OIL, WHEY, DEXTROSE, AGAR, SODIUM BICARBONATE, CALCIUM LACTATE, LEMON JUICE CONCENTRATE, CELLULOSE GUM, SOY LECITHIN, ENZYMES, ARTIFICIAL COLOR, XANTHAN GUM, ASCORBIC ACID, APOCAROTENAL (FOR COLOR), POTASSIUM SORBATE (PRESERVATIVE).