Which food has less impact on blood sugar?

SUB BUN [UNBLEACHED FLOUR (WHEAT, MALTED BARLEY), WATER, SUGAR, PALM OIL, WHEAT GLUTEN, YEAST, SALT, CONTAINS LESS THAN 2% OF EACH OF THE FOLLOWING: CORN FLOUR, ACETIC ACID, LACTIC ACID, SOYBEAN OIL, L-CYSTEINE, GUAR GUM, ASCORBIC ACID, ENZYMES, MONOGLYCERIDES, AND CALCIUM PROPIONATE (PRESERVATIVE)], SMOKED HAM WATER ADDED [A PORTION OF GROUND HAM SHANK AND HAM ADDED (CURED WITH WATER, SALT, CONTAINS 2% OR LESS OF MODIFIED FOOD STARCH, CORN SYRUP, DEXTROSE, POTASSIUM LACTATE, SODIUM LACTATE, SUGAR, SODIUM PHOSPHATES, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE)], PROVOLONE CHEESE [CULTURED PASTEURIZED MILK AND SKIM MILK, SALT, SMOKE FLAVORING, ENZYMES], COTTO SALAMI [MECHANICALLY SEPARATED CHICKEN, PORK, BEEF, BEEF HEARTS, CORN SYRUP, WATER, FLAVORING, MODIFIED FOOD STARCH, CONTAINS 2% OR LESS OF SALT, POTASSIUM LACTATE, SODIUM LACTATE, DEXTROSE, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE], PEPPERONI [PORK, BEEF, SALT, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, DEHYDRATED GARLIC, SODIUM NITRITE, BHA, BHT, CITRIC ACID], SUBMARINE DRESSING [SOYBEAN OIL, RED WINE VINEGAR, WATER, OREGANO, SPICES, SALT, FOOD STARCH, XANTHAN GUM].