Which food has less impact on blood sugar?

ROMAINE LETTUCE, AVOCADO RANCH DRESSING (LOW FAT BUTTERMILK [SKIM MILK, WHEY, WATER, SKIM MILK SOLIDS, WHEY SOLIDS, CORN STARCH, TAPIOCA STARCH, DISODIUM PHOSPHATE, CARRAGEENAN GUM, LOCUST BEAN GUM, CULTURE], CANOLA OIL, WATER, AVOCADO PULP, NON FAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN GUM, LOCUST BEAN GUM], MALTODEXTRIN, EGG YOLK, SUGAR, SALT, DISTILLED VINEGAR, CIDER VINEGAR, NATURAL FLAVORS, MODIFIED CORN STARCH, DRIED ONION, XANTHAN GUM, CARRAGEENAN GUM, DRIED GARLIC, SOY SAUCE [WATER, WHEAT, SOYBEANS, SALT, LACTIC ACID], CULTURED DEXTROSE, SPICE, DRIED GREEN ONION, LACTIC ACID, YELLOW 5 & 6, BLUE 1, CALCIUM DISODIUM EDTA [ADDED TO PROTECT QUALITY]), GRAPE TOMATOES, CHICKEN BREAST MEAT (CHICKEN BREAST WITH RIB MEAT, WATER, CULTURED SUGAR AND VINEGAR, POTATO STARCH, SEA SALT, NATURAL FLAVORINGS), BACON BITS (BACON CURED WITH: WATER, SALT, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY CONTAIN SUGAR, SMOKE FLAVORING, SODIUM PHOSPHATE), 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]), RED CABBAGE, CARROT.