Which food has less impact on blood sugar?

GREEN LEAF ROMAINE LETTUCE, COOKED WHITE CHICKEN MEAT (BONELESS, SKINLESS CHICKEN BREASTS WITH ALB MEAT, WATER, SEASONING [MALTODEXTRIN, YEAST EXTRACT, SALT, SUGAR, DRIED ONION, DRIED GARLIC. SUNFLOWER OIL, VEGETABLE STOCK [CARROT, ONION CELERY], 2% OR LESS NATURAL FLAVOR, NATURAL SMOKE FLAVOR, RICE FLOUR, SOYBEAN OIL, GRILL FLAVOR [FROM SUNFLOWER OIL), CANOLA OIL], VINEGAR, SODIUM PHOSPHATES, SALT). BALSAMIC VINAIGRETTE (WATER, SOYBEAN OIL, BALSAMIC VINEGAR [CONTAINS SULFITES], SUGAR, RED WINE VINEGAR, SALT, DEHYDRATED GARLIC, SPICE, LEMON JUICE CONCENTRATE, XANTHAN GUM CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR), GRAPE TOMATO, HARD COOKED EGGS (HARD COOKED EGGS, WATER, CITRIC ACID, SODIUM BENZOATE, AND NISIN PREPARATION (AS PRESERVATIVES]), BLUE CHEESE CRUMBLES (BLUE CHEESE [CULTURED PASTEURIZED MILK, SALT. ENZYMES, PENICILLIUM ROQUEFORTI], POWDERED CELLULOSE [TO PREVENT CAKING]), COOKED BACON (PORK CURED WITH: WATER, SEA SALT, CULTURED CELERY EXTRACT, CANE SUGAR, NATURAL MAPLE FLAVOR, SPICE, SMOKE FLAVORING ADDED).