Which food has less impact on blood sugar?

ROMAINE LETTUCE, GRILLED SEASONED CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, LESS THAN 2% RICE STARCH, SALT, VINEGAR, SUGAR), RANCH DRESSING (VEGETABLE OIL [CANOLA AND/OR SOYBEAN OIL], NONFAT BUTTERMILK (WHEY. WATER, SKIM MILK POWDER, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM, CULTUREJ, WATER, EGG YOLK, NONFAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM], LESS THAN 2% OF DRIED GARLIC, DISTILLED VINEGAR, SALT, SEASONING BLEND [DEXTROSE, SALT, NATURAL FLAVORS, MODIFIED CORN STARCH], SUGAR, DRIED ONION, SPICES, MODIFIED CORN STARCH, DRIED GREEN ONION, LACTIC ACID, XANTHAN GUM, GUAR GUM), CUCUMBER, GRAPE TOMATOES, MILD CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, COLOR ADDED, POTATO STARCH AND POWDERED CELLULOSE ADDED TO PREVENT CAKING, NATAMYCIN [A NATURAL MOLD INHIBITOR]), HARD COOKED EGGS (EGGS, WATER, CITRIC ACID AND SODIUM BENZOATE), FULLY COOKED BACON TOPPING (CURED WITH: WATER, SALT, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY CONTAIN: SUGAR, SMOKE FLAVORING, SODIUM PHOSPHATES), RED ONION, CARROT.