Which food has less impact on blood sugar?

DELI ROLL (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, PALM OIL [PALM OIL, CITRIC ACID (PRESERVATIVE)], SUGAR, EGGS, MILK POWDER [MILK PROTEIN CONCENTRATE, NONFAT DRY MILK, LACTOSE], VITAL WHEAT GLUTEN, DOUGH CONDITIONER [WHEAT FLOUR, DATEM, DEXTROSE, SOYBEAN OIL, ASCORBIC ACID, L-CYSTEINE, AZODICARBONAMIDE (ADA), ENZYMES], SALT, YEAST, XANTHAN GUM, CALCIUM PROPIONATE); BEEF FILLING (BEEF, WATER, SEASONING [SALT, HYDROLYZED SOY PROTEIN, MODIFIED FOOD STARCH, YEAST EXTRACT, NATURAL FLAVOR {CONTAINS WHEAT, SOYBEANS, AND CELERY SEED}, SUGAR, SOY SAUCE POWDER {WHEAT, SOYBEANS, SALT}, ONION POWDER, MALTODEXTRIN, CARAMEL COLOR, GARLIC POWDER, DISODIUM INOSINATE, DISODIUM GUANYLATE, SPICE], SALT, MODIFIED FOOD STARCH, YEAST EXTRACT, SODIUM PHOSPHATE, NATURAL FLAVORINGS, DEXTROSE, SPICES, CARAMEL POWDER); PASTEURIZED PROCESS CHEDDAR CHEESE (CULTURED MILK, WATER, CREAM, SODIUM PHOSPHATES, NATURAL FLAVOR, SALT, LACTIC ACID, VEGETABLE COLOR [ANNATTO AND PAPRIKA EXTRACT], ENZYMES); BACON (CURED WITH: WATER, SALT, SUGAR, NATURAL SMOKE FLAVOR, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE).