Which food has less impact on blood sugar?

SPRING MIX (LOLA ROSA, RED LEAF, RED OAK, RED ROMAINE, BEET ROOT, RED CHARD, GREEN ROMAINE, GREEN OAK, GREEN LEAF, TANGO, MIZUNA, TATSOI, GREEN CHARD, GOLD CHARD, COMBO MIX, SPINACH, ARUGULA, FRISEE, RADICCHIO. INGREDIENTS MAY VARY BY SEASON), RED WINE VINAIGRETTE (WATER, SOYBEAN OIL AND/OR CANOLA OIL, BALSAMIC VINEGAR [WINE VINEGAR, CONCENTRATED GRAPE MUST, CARAMEL COLOR], AGAVE NECTAR, RED WINE VINEGAR, SALT, OLIVE OIL, CONTAINS LESS THAN 2% OF: DEHYDRATED GARLIC, NATURAL FLAVORS, SPICES, XANTHAN GUM), PROVOLONE CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES, CELLULOSE TO PREVENT CAKING, NATAMYCIN TO PROTECT FLAVOR), GENOA SALAMI (PORK, SALT, DEXTROSE, CONTAINS 2% OF FLAVORINGS, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, SPICE, VITAMIN C [SODIUM ASCORBATE], BHA, BHT, CITRIC ACID. BHA, BHT WITH CITRIC ACID ADDED TO HELP PROTECT FLAVOR), TOMATOES, PEPPERONCINI (PEPPERS, WATER, SALT, VINEGAR, CITRIC ACID, SODIUM BENZOATE, SODIUM BISULFITE, FD&C YELLOW #5), MULTI GRAIN CROUTONS (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], CANOLA AND/OR OLIVE OIL, SALT, SUGAR, RYE MEAL, WHEAT BRAN, YEAST, CARAMEL COLOR DEHYDRATED GARLIC, CORN MEAL, SPICES, CARAWAY SEEDS, BUTTER FLAVOR [A MILK INGREDIENT], CITRIC ACID, ASCORBIC ACID), KALAMATA OLIVES (KALAMATA OLIVES, BRINE [WATER, SALT], EXTRA VIRGIN OLIVE OIL), ROASTED RED BELL PEPPER.