Which food has less impact on blood sugar?

VEGETABLE BLEND (ESCAROLE, ENDIVE, BROCCOLI, CAULIFLOWER, RADICCHIO, CARROTS, RED CABBAGE, INGREDIENTS MAY VARY BY SEASON), CHAMPAGNE VINAIGRETTE (WATER, VEGETABLE OIL [SOYBEAN OIL AND/OR CANOLA OIL], SALTED CHAMPAGNE WINE, WHITE BALSAMIC VINEGAR, SUGAR, SALT, SPICES, NATURAL FLAVORS [SOY], DEHYDRATED GARLIC, DEHYDRATED ONION, XANTHAN GUM, SODIUM BENZOATE [AS A PRESERVATIVE], CALCIUM DISODIUM EDTA [TO PROTECT FLAVOR], DEHYDRATED CHIVE), FONTINA CHEESE (FONTINA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], POTATO STARCH AND POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [MOLD INHIBITOR]), BLACK OLIVES (OLIVES, WATER, SEA SALT, FERROUS GLUCONATE [TO STABILIZE COLOR]), SMOKED TURKEY BREAST (CURED WITH WATER, CONTAINS 2% OR LESS OF: SALT, DEXTROSE, MODIFIED CORNSTARCH, SODIUM LACTATE, SODIUM PHOSPHATE, CARRAGEENAN, NATURAL FLAVORING, SODIUM DIACETATE, NATURAL MESQUITE SMOKE FLAVOR, ASCORBIC ACID, SODIUM NITRITE, CITRIC ACID), GENOA SALAMI (PORK, BEEF, SALT, DEXTROSE, LACTIC ACID STARTER CULTURE, SPICES, SODIUM ASCORBATE, SODIUM NITRITE, GARLIC POWDER, BHA, BHT AND CITRIC ACID [ADDED TO HELP PROTECT FLAVOR]), PEPPERONCINI (PEPPERS, WATER, DISTILLED VINEGAR, SALT, CITRIC ACID, SODIUM BENZOATE AND SODIUM BISULFITE [PRESERVATIVES]).