Which food has less impact on blood sugar?

ROMAINE LETTUCE, BBQ RANCH DRESSING (WATER, BUTTERMILK [CULTURED PASTEURIZED SKIM MILK AND MILK, SODIUM CITRATE AND SALT], SOYBEAN OIL, TOMATO PASTE, SUGAR, DISTILLED VINEGAR, SALT, CONTAINS LESS THAN 2% OF MOLASSES, NATURAL FLAVORS, EGG YOLKS, MUSTARD BRAN, SPICES, XANTHAN GUM, SODIUM BENZOATE AND POTASSIUM SORBATE [AS PRESERVATIVES], DEHYDRATED GARLIC, DEHYDRATED PARSLEY, DEHYDRATED ONION, CITRIC ACID, LACTIC ACID, CORN SYRUP, DISODIUM INOSINATE & DISODIUM GUANYLATE, AUTOLYZED YEAST EXTRACT, CARAMEL COLOR, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR, CELERY SEED, TAMARIND), CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, CULTURED SUGAR AND VINEGAR, POTATO STARCH, SEA SALT, NATURAL FLAVORINGS), PICO DE GALLO (TOMATO, YELLOW ONION, FRESH CILANTRO, JALAPENO PEPPER), TORTILLA STRIPS (STONE GROUND YELLOW CORN, STONE GROUND BLUE CORN, SUNFLOWER OIL OR CORN OIL, SEA SALT, WATER, TRACE OF LIME), PEPPER JACK CHEESE (PASTEURIZED MILK, JALAPENO PEPPERS, CHEESE CULTURE, SALT, ENZYMES, POTATO STARCH AND POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]), RED CABBAGE, CARROT, BLACK BEANS (BLACK BEANS, WATER, SALT, FERROUS GLUCONATE), ROASTED CORN.