Which food has less impact on blood sugar?

ROMAINE LETTUCE, 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]), HARD COOKED EGG (HARD COOKED EGGS, WATER, CITRIC ACID, SODIUM BENZOATE, AND NISIN PREPARATION [AS PRESERVATIVES]), RANCH DRESSING (SOYBEAN OIL, BUTTERMILK [CULTURED PASTEURIZED SKIM MILK AND MILK, SODIUM CITRATE AND SALT], WATER, DISTILLED VINEGAR, HIGH FRUCTOSE CORN SYRUP, SALT, CONTAINS LESS THAN 2% OF EGG YOLKS, DEHYDRATED GARLIC, DEHYDRATED ONION, MONOSODIUM GLUTAMATE, POLYSORBATE 60, TORULA YEAST, SODIUM BENZOATE AND POTASSIUM SORBATE [TO PRESERVE FRESHNESS], XANTHAN GUM, DEHYDRATED SWEET CREAM [CREAM, SOY LECITHIN], SPICE, LACTIC ACID, DEHYDRATED PARSLEY, PHOSPHORIC ACID, DISODIUM INOSINATE & DISODIUM GUANYLATE, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR), GRAPE TOMATOES, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO COLORING AND CELLULOSE [TO PREVENT CAKING]), JARLSBERG CHEESE (PASTEURIZED PART SKIM MILK, RENNET, SALT, CULTURE, POWDERED CELLULOSE, STARCH BLEND ADDED TO PREVENT CAKING), CARROT.