Which food has less impact on blood sugar?

ROMAINE LETTUCE, BUTTERMILK RANCH DRESSING (CULTURED NONFAT BUTTERMILK [WATER, NONFAT DRY MILK, SOYBEAN OIL, BUTTERMILK CULTURES], SOYBEAN OIL, WATER, EGG YOLKS, DISTILLED VINEGAR, CONTAINS LESS THAN 2% OF SALT, SUGAR, CULTURED SKIM MILK, GARLIC POWDER, ONION POWDER, GROUND MUSTARD, LEMON JUICE CONCENTRATE, NATURAL FLAVOR, XANTHAN GUM, SPICES), TURKEY BREAST (TURKEY BREAST, WATER, CONTAINS 2% OR LESS OF SUGAR, SALT, SODIUM PHOSPHATE [PRESERVATIVE], SODIUM DIACETATE [PRESERVATIVE], SODIUM NITRITE [PRESERVATIVE], POTASSIUM LACTATE [PRESERVATIVE], SODIUM ERYTHORBATE [PRESERVATIVE]), HAM WITH NATURAL JUICES (HAM CURED WITH WATER, CONTAINS 2% OR LESS OF SUGAR, SALT, POTASSIUM LACTATE, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE, SODIUM PHOSPHATES), GRAPE TOMATOES, 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]), CARROT, RED CABBAGE.