Which food has less impact on blood sugar?

ROMAINE MIX (ROMAINE LETTUCE, RED CABBAGE, CARROT), GRILLED SEASONED CHICKEN BREAST MEAT WITH. RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, LESS THAN 2% RICE STARCH, SALT, VINEGAR, SUGAR), BUTTERMILK RANCH DRESSING (CANOLA OIL, BUTTERMILK [CULTURED PASTEURIZED SKIM MILK AND MILK, SODIUM CITRATE AND SALT], WATER, SUGAR, EGG YOLKS, DISTILLED VINEGAR, CONTAINS LESS THAN 2% OF SALT, CIDER VINEGAR, DEHYDRATED GARLIC, XANTHAN GUM, SODIUM BENZOATE AND POTASSIUM SORBATE [AS PRESERVATIVES], DEHYDRATED ONION, NATURAL FLAVOR [INCLUDES MILK], SPICES, BUTTERMILK SOLIDS, PHOSPHORIC ACID, GUAR GUM), MILD CHEDDAR CHEESE (CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, % ENZYMES, ANNATTO {VEGETABLE COLOR}], POTATO STARCH AND POWDERED CELLULOSE [TO PREVENT % CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]), GRAPE TOMATOES, CARROT, FULLY COOKED BACON TOPPING (BACON CURED WITH WATER SALT, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY CONTAIN: SUGAR, SMOKE FLAVORING, SODIUM PHOSPHATE).