Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, FERROUS SULFATE, NIACIN, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, BREAD CRUMBS [WHEAT FLOUR, SUGAR, YEAST, SALT], SOYBEAN OIL, YEAST, CONTAINS 2% OR LESS OF THE FOLLOWING: SUGAR, SALT, HONEY, SOY LECITHIN [PROCESSING AID]), SAUCE (WATER, MOZZARELLA SEASONING [WHEY, MODIFIED FOOD STARCH, CREAM POWDER {COCONUT OIL, CORN SYRUP SOLIDS, SODIUM CASEINATE, DIPOTASSIUM PHOSPHATE, MONO- AND DIGLYCERIDES}, NATURAL FLAVORS, SALT, MOZZARELLA CHEESE POWDER {MOZZARELLA CHEESE (PART SKIM MILK, SALT, CULTURES, ENZYMES), DISODIUM PHOSPHATE}], AU JUS SEASONING [SALT, BEEF STOCK, BEEF FAT POWDER {RENDERED BEEF FAT, BEEF BROTH, NATURAL FLAVOR}, SUGAR, NATURAL FLAVORS {DEXTROSE}, SPICES INCLUDING CELERY]), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (CULTURED PASTEURIZED PART SKIM MILK, SALT, ENZYMES), PHILLY STEAK MEAT TENDERIZED WITH BROMELAIN (BONELESS BEEF, WATER, LESS THAN 2% OF RICE STARCH, SALT, FLAVORS, DEXTROSE, SODIUM PHOSPHATES, SUGAR, MALTODEXTRIN, GARLIC, ONION, YEAST EXTRACT, HYDROLYZED SOY PROTEIN, NATURAL FLAVORING, NATURAL GRILL FLAVOR [FROM SUNFLOWER OIL], SOYBEAN OIL, CARAMEL COLOR), ONION, GREEN PEPPER.