Which food has less impact on blood sugar?

SANDWICH ROLL (WHEAT FLOUR, WATER, SUGAR, SALT, CANOLA OIL, YEAST, GUAR GUM, RYE FLOUR, MALTED BARLEY FLOUR, DEACTIVATED YEAST, DEXTROSE, FAVA BEAN FLOUR, MALT EXTRACT, SUNFLOWER LECITHIN, CALCIUM PHOSPHATE, ENZYMES, ASCORBIC ACID, NIACIN, XANTHAN GUM, REDUCED IRON, CALCIUM SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), PROVOLONE CHEESE WITH SMOKE FLAVOR (PROVOLONE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, NATURAL SMOKE FLAVOR]), TOMATO, HARD SALAMI (PORK, SALT, DEXTROSE, CONTAINS 2% OR LESS OF BEEF, FLAVORINGS, LACTIC ACID STARTER CULTURE, NATURAL SMOKE FLAVOR, SODIUM NITRITE [PRESERVATIVE], SPICES, VITAMIN C [SODIUM ASCORBATE] [PRESERVATIVE], BHA [PRESERVATIVE], BHT [PRESERVATIVE], CITRIC ACID [PRESERVATIVE]), FULLY COOKED PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF WATER, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, GARLIC POWDER, SODIUM NITRITE [PRESERVATIVE], BHA [ADDED TO PROTECT FLAVOR], BHT (ADDED TO PROTECT FLAVOR], CITRIC ACID [ADDED TO PROTECT FLAVOR]), BASIL PESTO AIOLI (CANOLA OIL, WATER, BASIL PESTO [BASIL, CANOLA OIL, WATER, PARMESAN CHEESE {PART SKIM MILK, CULTURE, SALT, ENZYMES}, DRIED GARLIC, SALT], EGG YOLK, DISTILLED VINEGAR, SUGAR, SALT, PARMESAN CHEESE [PART SKIM MILK, CULTURE, SALT, ENZYMES], SPICE, DRIED GARLIC, NATURAL FLAVOR, XANTHAN GUM, MUSTARD FLOUR), HAM CAPICOLA WATER ADDED (HAM CAPICOLA CURED WITH: WATER, DEXTROSE, SALT, CONTAINS LESS THAN 2% OF SUGAR, POTASSIUM LACTATE [PRESERVATIVE], SODIUM PHOSPHATE [PRESERVATIVE], SODIUM DIACETATE [PRESERVATIVE], FLAVORING, SODIUM ERYTHORBATE [PRESERVATIVE], SODIUM NITRITE [PRESERVATIVE], COATED WITH WATER, PAPRIKA, SUGAR, SPICES AND SPICE EXTRACTIVE), GREEN LEAF LETTUCE, RED ONION, ROASTED RED PEPPERS (RED SWEET PEPPER, WATER, SEA SALT, AND CITRIC ACID [PRESERVATIVE]).