Which food has less impact on blood sugar?

ROMAINE LETTUCE, RANCH DRESSING (VEGETABLE OIL [CANOLA AND/OR SOYBEAN OIL), NONFAT BUTTERMILK [WHEY, WATER, SKIM MILK POWDER, COM STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM, CULTURE), WATER, EGG YOLK, NONFAT SOUR CREAM [CULTURED SKIM MILK, COM 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), GRAPE TOMATOES, HARD COOKED EGGS, HONEY TURKEY BREAST-NO NITRATES OR NITRITES ADDED EXCEPT FOR THOSE NATURALLY OCCURRING IN CELERY POWDER (TURKEY BREAST, TURKEY BROTH, HONEY, LESS THAN 2% OF SALT, SUGAR, VINEGAR, SODIUM PHOSPHATE, NATURAL FLAVOR [INCLUDING CELERY POWDER), CHERRY POWDER, COLLAGEN CASING), HONEY UNCURED HAM-NO NITRATES OR NITRITES ADDED EXCEPT FOR THOSE NATURALLY OCCURRING IN CELERY POWDER (PORK, WATER, HONEY, SUGAR, CONTAINS LESS THAN 2% OF VINEGAR, SALT, SODIUM PHOSPHATE, NATURAL FLAVOR [INCLUDING CELERY POWDER), CHERRY POWDER), CHEDDAR AND MONTEREY JACK CHEESE BLEND (CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO), MONTEREY JACK CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], ANTI-CAKING AGENT [POTATO STARCH, POWDERED CELLULOSE, NATAMYCIN]).