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), TOMATO, OFF THE BONE HICKORY SMOKED BONELESS HAM WITH BROWN SUGAR GLAZE, WITH NATURAL JUICES (HAM CURED WITH: WATER, SALT, DEXTROSE, SUGAR, SODIUM PHOSPHATE [PRESERVATIVE], HONEY, SODIUM ERYTHORBATE [PRESERVATIVE], SODIUM NITRITE [PRESERVATIVE]. COATED WITH: BROWN SUGAR, GELATIN, DEXTROSE, PAPRIKA, SPICES, NATURAL FLAVORING), 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], PEPPERONI (PORK, SALT, CONTAINS 2% OR LESS OF BEEF, DEXTROSE, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE [PRESERVATIVE], SPICES, VITAMIN C [SODIUM ASCORBATE] [PRESERVATIVE], BHA [PRESERVATIVE], BHT [PRESERVATIVE], CITRIC ACID [PRESERVATIVE], PROVOLONE CHEESE WITH SMOKE FLAVOR [PROVOLONE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, NATURAL SMOKE 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), RED ONION, GREEN LEAF LETTUCE, ROASTED RED PEPPERS (RED SWEET PEPPER, WATER, SEA SALT, AND CITRIC ACID [PRESERVATIVE]), ITALIAN SEASONING (MARJORAM, THYME, ROSEMARY, SAVORY, SAGE, OREGANO, AND BASIL).