Which food has less impact on blood sugar?

SESAME ROLL (BLEACHED ENRICHED BROMATED FLOUR [BLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, POTASSIUM BROMATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, DOUGH CONDITIONER [WHEY, CORN FLOUR, MONOCALCIUM PHOSPHATE, L-CYSTEINE HYDROCHLORIDE, POTASSIUM BROMATE], SALT, YEAST, DEXTROSE, MARGARINE [CANOLA AND/OR SOYBEAN OIL, PALM OIL, PALM KERNEL OILS], DOUGH CONDITIONER [WHEAT FLOUR, DIACETYL TARTARIC ACID ESTERS OF MONO- AND DIGLYCERIDES, AMMONIUM SULFATE, CALCIUM SULFATE, ASCORBIC ACID, CONTAINS 2% OR LESS OF ENZYMES, SOYBEAN OIL, POTASSIUM IODATE], SESAME SEEDS), CAPICOLA STYLE HAM WATER ADDED (CURED WITH WATER, DEXTROSE, SALT, SUGAR, SODIUM LACTATE, SODIUM PHOSPHATES, SODIUM DIACETATE, FLAVORING, SODIUM ERYTHORBATE, SODIUM NITRITE, OLEORESIN OF PAPRIKA), PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT AND ENZYMES), HARD SALAMI (PORK, SALT, DEXTROSE, CONTAINS 2% OR LESS OF BEEF, FLAVORINGS, LACTIC ACID STARTER CULTURE, NATURAL SMOKE FLAVOR, SODIUM NITRITE, SPICES, VITAMIN C [SODIUM ASCORBATE], BHA, BHT, CITRIC ACID), PEPPERONI (PORK, SALT, CONTAINS 2% OR LESS OF BEEF, DEXTROSE, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE, SPICES, VITAMIN C [SODIUM ASCORBATE], BHA, BHT, CITRIC ACID), GREEN LEAF LETTUCE.