Which food has less impact on blood sugar?

TORTILLA (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, PALM OIL SHORTENING, CULTURED WHEAT STARCH, BASIL, OREGANO, GARLIC POWDER, WHEAT GLUTEN, SALT, SUGAR, SODIUM BICARBONATE, MONO AND DIGLYCERIDES, CITRIC ACID, SODIUM ACID PYROPHOSPHATE, YEAST, CMC GUM, XANTHAN GUM, ENZYMES [FROM WHEAT]), SMOKED HAM, (HAM, CONTAINS UP TO 11% OF A SOLUTION OF: WATER, NATURAL SALT BLEND [SEA SALT, POTASSIUM CHLORIDE], TURBINADO SUGAR, SALT, NATURAL FLAVOR, LACTIC ACID STARTER CULTURE [NOT FROM MILK]), LETTUCE, CHEESE (CULTURED PASTEURIZED MILK, ENZYMES, SALT), PEPPERONI (PORK, BEEF, SALT, CONTAINS LESS THAN 2% OF THE FOLLOWING: CORN SYRUP, DEXTROSE, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, PAPRIKA, SODIUM ERYTHORBATE, SODIUM NITRITE, SPICES), ROASTED TOMATOES (TOMATOES, CANOLA OIL, GARLIC, VINEGAR, SALT, SPICES), OLIVES (KALAMATA OLIVES, WATER, SALT, RED WINE VINEGAR, EXTRA VIRGIN OLIVE OIL AND/OR SUNFLOWER OIL), SALAMI (PORK, BEEF, SALT, DEXTROSE, LACTIC ACID STARTER CULTURE, SPICES, SODIUM ASCORBATE, SODIUM NITRITE, GARLIC POWDER. BHA, BHT, CITRIC ACID), PEPPERONOINI (PEPPERS, WATER, SALT, VINEGAR, CITRIC ACID, SODIUM BISULFITE [TO ENHANCE COLOR], SODIUM BENZOATE, FD&C YELLOW NO. 5), ONIONS, MODIFIED FOOD STARCH