Which food has less impact on blood sugar?

CULTURED FROZEN GREEK STYLE YOGURT (CONDENSED SKIM MILK, SKIM MILK, SUGAR, CREAM, MILK PROTEIN CONCENTRATE, CORN SYRUP, PROPYLENE GLYCOL MONOESTERS, MONO AND DIGLYCERIDES, HYDROGENATED SOYBEAN OIL, CELLULOSE GUM, SODIUM PHOSPHATE, CARRAGEENAN, CULTURES, NONFAT DRY MILK), SUGAR, WATER, STRAWBERRIES, LOW-FAT GRANOLA (OATS, WHOLE WHEAT, SUGAR, CORN SYRUP, RICE, ALMONDS, MOLASSES, MODIFIED CORNSTARCH, HIGH FRUCTOSE CORN SYRUP, PALM OIL, SALT, CINNAMON, NONFAT DRY MILK, NATURAL AND ARTIFICIAL FLAVOR, POLYGLYCEROL ESTERS OF FATTY ACIDS, BARLEY MALT EXTRACT, NIACINAMIDE, ZINC OXIDE, ASCORBIC ACID (VITAMIN C), PYRIDOXINE HYDROCHLORIDE (B6), REDUCED IRON, GUAR GUM, TO PRESERVE FRESHNESS (BHT), RIBOFLAVIN, VITAMIN A PALMITATE, FOLIC ACID, THIAMINE HYDROCHLORIDE, VITAMIN B12, VITAMIN D), BLEACHED WHEAT FLOUR, PARTIALLY HYDROGENATED PALM KERNEL OIL, COCONUT OIL, CONTAINS LESS THAN 2% OF THE FOLLOWING: DEXTROSE, MODIFIED CORNSTARCH, CORN SYRUP, PALM OIL, SKIM MILK, NATURAL FLAVOR, NATURAL AND ARTIFICIAL FLAVOR, SODIUM CASEINATE, SALT, CITRIC ACID, SOY LECITHIN, POLYGLYCEROL ESTERS OF FATTY ACIDS, BAKING SODA, TO PRESERVE FRESHNESS (POTASSIUM SORBATE, SODIUM BENZOATE), POLYSORBATE 60, CARBOHYDRATE GUM, SOY PROTEIN ISOLATE, XANTHAN GUM, ARTIFICIAL COLOR (RED 40).