Which food has less impact on blood sugar?

ROMAINE LETTUCE, CHICKEN BREAST (CHICKEN BREAST, WATER, SEA SALT, STABILIZER [RICE STARCH], DISTILLED VINEGAR [WHITE DISTILLED VINEGAR {DILUTED WITH WATER TO 4% ACIDITY}], SODIUM TRIPOLYPHOSPHATE), RANCH DRESSING (SOYBEAN OIL, BUTTERMILK [CULTURED PASTEURIZED SKIM MILK AND MILK, SODIUM CITRATE AND SALT], WATER, DISTILLED VINEGAR, HIGH FRUCTOSE CORN SYRUP, SALT, CONTAINS LESS THAN 2% OF EGG YOLKS, DEHYDRATED GARLIC, DEHYDRATED ONION, MONOSODIUM GLUTAMATE, POLYSORBATE 60, TORULA YEAST, SODIUM BENZOATE AND POTASSIUM SORBATE [TO PRESERVE FRESHNESS], XANTHAN GUM, DEHYDRATED SWEET CREAM [CREAM, SOY LECITHIN], SPICE, LACTIC ACID, DEHYDRATED PARSLEY, PHOSPHORIC ACID, DISODIUM INOSINATE & DISODIUM GUANYLATE, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR), ROASTED CORN, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO COLORING AND CELLULOSE [TO PREVENT CAKING]), TORTILLA STRIPS (CORN MASA FLOUR, SUNFLOWER, SAFFLOWER AND/OR CANOLA OIL, SALT, RED 40, BLUE 1), BLACK BEANS (BLACK BEANS [WATER, BLACK BEANS], SALT), GREEN BELL PEPPER, RED BELL PEPPER.