Which food has less impact on blood sugar?

WHITE ROLL (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, CONTAINS 2% OR LESS OF EACH OF: YEAST, SUGAR, SALT, MALTED BARLEY EXTRACT, WHEAT GLUTEN, VEGETABLE OIL [CANOLA OIL OR SOYBEAN OIL], FUMARIC ACID, PRESERVATIVES, [CALCIUM PROPIONATE, PHOSPHORIC ACID, SODIUM PROPIONATE], WHEAT STARCH, DOUGH CONDITIONERS [MONO AND DIGLYCERIDES, ETHOXYLATED MONO AND DIGLYCERIDES, POLYSORBATE 60, ASCORBIC ACID, ENZYMES], LACTIC ACID, SODIUM DIACETATE, HYDROGENATED VEGETABLE OIL [SOYBEAN, PALM AND/OR COTTONSEED]), SMOKEHOUSE TAVERN STYLE HAM WITH NATURAL JUICES (CURED WITH: WATER, CONTAINS LESS THAN 2% SALT, SUGAR, DEXTROSE, POTASSIUM LACTATE, SODIUM DIACETATE, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE), PROVOLONE CHEESE (UNSMOKED PROVOLONE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES]), HARD SALAMI (PORK, BEEF, SALT, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, SODIUM ASCORBATE, NATURAL SMOKE FLAVOR, FLAVORING, SODIUM NITRITE, BHA, BHT, AND CITRIC ACID), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF WATER, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, GARLIC POWDER, SODIUM NITRITE, BHA, BHT, CITRIC ACID), GREEN LEAF LETTUCE, RED ONION.