Which food has less impact on blood sugar?

CRUST: (FLOUR: (WHEAT FLOUR, MALTED BARLEY FLOUR, POTASSIUM BROMATE), WATER, PURE GRANULATED SUGAR, SEA SALT, NON-FAT DRY MILK: (PASTEURIZED MILK), EXTRA VIRGIN OLIVE OIL), YEAST, MONO- AND DIGLYCERIDES, ETHOXYLATED MONO- AND DIGLYCERIDES, AND 2% OR LESS OF THE FOLLOWING: POLYSORBATE 60, PRESERVATIVES (PHOSPHORIC ACID, SODIUM PROPIONATE)), MOZZARELLA CHEESE: (PASTEURIZED MILK, SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), PIZZA SAUCE: (FRESH VINE-RIPENED TOMATO PUREE, SOYBEAN OIL, SALT, ROMANO CHEESE: (COW'S MILK, CHEESE CULTURE, SALT, ENZYMES), SPICES, EXTRA VIRGIN OLIVE OIL, GARLIC POWDER, CITRIC ACID), FULLY COOKED ITALIAN SAUSAGE: (PORK, NATURAL FLAVORINGS, SALT, DEXTROSE, PAPRIKA, BHA, BHT, CITRIC ACID), PEPPERONI: (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF DEXTROSE, FLAVORING, LACTIC ACID STARTER CULTURE, PAPRIKA, SODIUM NITRITE, SPICES, BHA, BHT, CITRIC ACID), IMPORTED PARMESAN - ROMANO CHEESE: (IMPORTED PARMESAN AND PECORINO ROMANO CHEESE: (PASTEURIZED PART-SKIM COW'S AND SHEEP'S MILK, CHEESE CULTURES, SALT, ENZYMES), POWDERED CELLULOSE ADDED TO PREVENT CAKING, NATAMYCIN (A NATURAL MOLD INHIBITOR)), SPICES:(OREGANO).