Which food has less impact on blood sugar?

BAGEL HALVES: (ENRICHED FLOUR [WHEAT FLOUR, ENZYME, ASCORBIC ACID, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SALT, CONTAINS LESS THAN 2% OF THE FOLLOWING: HIGH FRUCTOSE CORN SYRUP, YEAST, SOYBEAN OIL), TOPPING (COOKED MAPLE SAUSAGE CRUMBLES [PORK, SUGAR, WATER, SALT, AND LESS THAN 2% OF: SPICES, BROWN SUGAR, MALTODEXTRIN, MAPLE SYRUP, CORN SYRUP SOLIDS, CORN STARCH, NATURAL AND ARTIFICIAL FLAVORS, AUTOLYZED YEAST EXTRACT, DEXTROSE, CARAMEL COLOR, SODIUM PHOSPHATES], EGG WHITES, WHOLE EGGS, PART SKIM MOZZARELLA CHEESE [CULTURED PART SKIM MILK, SALT, ENZYMES], WATER, SEASONING [BROWN SUGAR, SUGAR, MALTODEXTRIN, DRIED MOLASSES, MODIFIED CORN STARCH, NATURAL FLAVOR, MAPLE SYRUP, SALT, SPICES], CONTAINS LESS THAN 2% OF THE FOLLOWING: CORN STARCH, MODIFIED FOOD STARCH, SKIM MILK, XANTHAN GUM, HIGH FRUCTOSE CORN SYRUP, BETA CAROTENE), SAUCE (CHEESE SAUCE [MILK, WATER, CHEDDAR CHEESE (CULTURED MILK, SALT, ENZYMES), WHEY, MILK PROTEIN CONCENTRATE, CORN STARCH, NATURAL FLAVORS, SALT, SODIUM PHOSPHATE, MODIFIED CELLULOSE, XANTHAN GUM, SORBIC ACID (PRESERVATIVE), MONO AND DIGLYCERIDES, AUTOLYZED YEAST EXTRACT, SUGAR, BETA CAROTENE (COLOR), BETA-APO-8-CAROTENAL (COLOR)]).