Which food has less impact on blood sugar?

ROMAINE LETTUCE, AVOCADO RANCH DRESSING (NONFAT BUTTERMILK WHEY, WATER, SKIM MILK POWDER, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM, CULTURE], VEGETABLE OIL [CANOLA AND/OR SOYBEAN OIL], WATER, AVOCADO, NONFAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM], MALTODEXTRIN, LESS THAN 2% OF EGG YOLK, SUGAR, SALT, DISTILLED VINEGAR, APPLE CIDER VINEGAR, SEASONING BLEND [DEXTROSE, SALT, NATURAL FAVORS, MODIFIED CORN STARCH], MODIFIED CORN STARCH, DRIED ONION, XANTHAN GUM, SEASONING BLEND MALTODEXTRIN, WHEY POWDER, SKIM MILK POWDER, MODIFIED CORN STARCH, BUTTER EXTRACTIVES, NATURAL FLAVOR], SOY SAUCE [WATER, WHEAT, SOYBEANS, SALT, ALCOHOL, VINEGAR, LACTIC ACID], DRIED GARLIC, SPICE, CULTURED DEXTROSE, DRIED GREEN ONION, LACTIC ACID, CARRAGEENAN, CALCIUM DISODIUM EDTA [TO PROTECT QUALITY], YELLOW 5 & 6, BLUE 1), GRAPE TOMATOES, FULLY COOKED ROASTED SEASONED PLLED CHICKEN BREAST WITH RIB MEAT (CHICKEN BREAST WITH RIB MEAT, WATER, SEA SALT, VINEGAR), HARD COOKED EGGS, FULLY COOKED BACON TOPPING (CURED WITH: WATER, SALT, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY CONTAIN: SUGAR, SMOKE FAVORING, SODIUM PHOSPHATES), BLUE CHEESE CRUMBLES (BLUE CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, PENICILLIUM ROQUEFORTI], POWDERED CELLULOSE [TO PREVENT CAKING]), BASIL PESTO (BASIL, WATER, CANOLA AND/OR SUNFLOWER OIL, GARLIC, PARMESAN CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURE, SALT, ENZYMES], SALT, LEMON JUICE CONCENTRATE, MODIFIED FOOD STARCH, XANTHAN GUM).