Which food has less impact on blood sugar?

ICEBERG LETTUCE, HARD COOKED EGG, AVOCADO RANCH DRESSING (CANOLA OIL, NON FAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM], WATER, AVOCADO, EGG YOLK, LESS THAN 2% OF DRIED RED PEPPER, DRIED BELL PEPPER, DRIED GARLIC, SUGAR, CILANTRO, MODIFIED CORN STARCH, DISTILLED VINEGAR, SALT, APPLE CIDER VINEGAR, SPICES, DRIED ONION, LIME JUICE CONCENTRATE, SEASONING BLEND [DEXTROSE, SALT, NATURAL FLAVORS, MODIFIED CORN STARCH], XANTHAN GUM, CARRAGEENAN, MUSTARD FLOUR, DRIED LEMON PEEL, LACTIC ACID, GLUCONIC ACID, MALTODEXTRIN, CULTURED DEXTROSE), MONTEREY JACK AND COLBY CHEESE BLEND (MONTEREY JACK CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], COLBY CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO {VEGETABLE COLOR}], POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]), GREEN LEAF LETTUCE, EVERYTHING SEASONING (SESAME SEEDS, SEA SALT, DEHYDRATED ONION, ROASTED SESAME SEEDS, POPPY SEEDS, BLACK SESAME SEEDS, DEHYDRATED GARLIC, AND SOYBEAN OIL [PROCESSING AID]).