Which food has less impact on blood sugar?

ROMAINE LETTUCE, DRESSING (CANOLA OIL, LOW FAT BUTTERMILK [SKIM MILK, WHEY, WATER, SKIM MILK SOLIDS, WHEY SOLIDS, CORN STARCH, TAPIOCA STARCH, DISODIUM PHOSPHATE, CARRAGEENAN GUM, LOCUST BEAN GUM, CULTURE], WATER, EGG YOLK, NON FAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN GUM, LOCUST BEAN GUM], DISTILLED VINEGAR, SALT, NATURAL FLAVOR, SUGAR, DRIED GARLIC, DRIED ONION, SPICES, MODIFIED CORN STARCH, DRIED GREEN ONION, LACTIC ACID, XANTHAN GUM, GUAR GUM), SWEET SLICE BONELESS SMOKED HAM WITH NATURAL JUICES (CURED WITH: WATER, SALT, SUGAR, 2% OR LESS OF SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE), OVENGOLD ROASTED TURKEY BREAST (TURKEY BREAST, WATER, CONTAINS LESS THAN ONE AND ONE HALF PERCENT OF SALT, SUGAR, SODIUM PHOSPHATE AND DEXTROSE. COATED WITH: DEXTROSE, SEA SALT, HONEY SOLIDS [REFINERY SYRUP, HONEY], PAPRIKA, SPICES, ONION, 2% OR LESS OF NATURAL FLAVORS, EXTRACTIVES OF PAPRIKA AND TURMERIC), GRAPE TOMATOES, HARD COOKED EGG (HARD COOKED EGGS, WATER. CITRIC ACID, SODIUM BENZOATE, AND NISIN PREPARATION [AS PRESERVATIVES]), CUCUMBER, IMPORTED SWITZERLAND SWISS CHEESE (PASTEURIZED PART SKIM MILK, SALT, CHEESE CULTURES, ENZYMES).