Which food has less impact on blood sugar?

ROMAINE LETTUCE, CHICKEN BREAST WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, SODIUM LACTATE, SEASONING [SALT, SUGAR, ARTIFICIAL CHICKEN FLAVOR {HYDROLYZED CORN PROTEIN, AUTOLYZED YEAST EXTRACT, THIAMINE HYDROCHLORIDE, DISODIUM INOSINATE, DISODIUM GUANYLATE}, DEXTROSE, NATURAL FLAVORING], MODIFIED POTATO STARCH, DEXTROSE, POTASSIUM LACTATE, SODIUM PHOSPHATES, SODIUM DIACETATE), CAESAR DRESSING (WATER, CANOLA OIL, NON FAT BUTTERMILK [WHEY, WATER, SKIM MILK POWDER, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM, CULTURE], PARMESAN CHEESE FLAVOR [GRANULAR AND PARMESAN CHEESE BLEND {MILK, CULTURE, SALT, ENZYMES}, WATER, SALT, LACTIC ACID, CITRIC ACID], ROMANO CHEESE [MILK, CULTURE, SALT, ENZYMES], PARMESAN CHEESE [PART SKIM MILK, CULTURE, SALT, ENZYMES], DISTILLED VINEGAR, EGG YOLK, WORCESTERSHIRE SAUCE [WATER, DISTILLED VINEGAR, SOY SAUCE {WATER, SOYBEANS, SALT}, SUGAR, SALT, DRIED GARLIC, DRIED ONION, SPICES], SALT, LEMON JUICE CONCENTRATE, MALTODEXTRIN, SPICES, SUGAR, DRIED ONION, ACACIA GUM, XANTHAN GUM, DRIED GARLIC), PARMESAN STYLE CHEESE (PARMESAN STYLE CHEESE [PASTEURIZED PART SKIM MILK, SALT, CHEESE CULTURE, ENZYMES], POTATO STARCH AND POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]).