Which food has less impact on blood sugar?

MILKFAT AND NONFAT MILK, SWEET CREAM BUTTERMILK, SUGAR, CORN SYRUP, FUDGE SWIRL (CORN SYRUP, WATER, HIGH FRUCTOSE CORN SYRUP, SUGAR, COCOA PROCESSED WITH ALKALI, WHEY, PECTIN), CARAMEL (CORN SYRUP, SWEETENED CONDENSED SKIM MILK [SUGAR, WATER, NONFAT MILK SOLIDS], BUTTER [CREAM, SALT], WATER, SEA SALT, CARRAGEENAN, SODIUM BICARBONATE), SEA SALT, CHOCOLATY COATED PRETZEL (CHOCOLATE FLAVORED COATING [SUGAR, COCONUT OIL, PALM KERNEL OIL, COCOA PROCESSED WITH ALKALI, SALT, NATURAL FLAVOR, MILK], PRETZEL PIECES [ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}, SALT, CANOLA AND/OR SOYBEAN OIL, CORN SYRUP, BARLEY MALT EXTRACT, LEAVENING {YEAST, SODIUM BICARBONATE, AMMONIUM BICARBONATE}, SEA SALT]), BUTTER CARAMEL FLAVOR (SUGAR, WATER, CONDENSED NONFAT MILK, BROWN SUGAR, CORN SYRUP, BUTTER, SALT, CARAMEL COLOR, SODIUM BICARBONATE, CITRIC ACID, SOY LECITHIN, TURMERIC [COLOR]), WHEY, HIGH FRUCTOSE CORN SYRUP, CONTAINS LESS THAN 2% OF MONO AND DIGLYCERIDES, SALT, GUAR GUM, CALCIUM SULFATE, CAROB BEAN GUM, CARRAGEENAN.