Which food has less impact on blood sugar?

CRUST (ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, ASCORBIC ACID ADDED AS A DOUGH CONDITIONER, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SOYBEAN OIL, YEAST, SUGAR, SALT), LOW MOISTURE MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT AND ENZYMES), PIZZA SAUCE (TOMATOES, WATER, CONTAINS LESS THAN 2% OF THE FOLLOWING: SPICES, SUGAR, SALT, GARLIC, SUNFLOWER OIL), UNCURED PEPPERONI (PORK, SEA SALT, SPICES, WATER, DEXTROSE, PAPRIKA, NATURAL FLAVORING, CELERY JURE SOLIDS, GARLIC POWDER, OLEORESIN PAPRIKA, LACTIC ACID STARTER JLTURE, NO NITRITES OR NITRATES ADDED. EXCEPT FOR THOSE NATURALLY OCCURRING IN SEA SALT AND CELERY POWDER"), COOKED ITALIAN SAGE (PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, DRIED GARLIC, PAPRIKA, PAPRIKA AND ANNATTO EXTRACT, SUGAR, LEMON JUICE POWDER [CORN SYRUP SOLIDS, LEMON JUICE SOLIDS, LEMON OIL), FLAVORING), RED ONIONS, GREEN BELL PEPPER, RED BELL PEPPER, BLACK OLIVES (BLACK OLIVES, SALT, FERROUS CUCONATE), GRATED PARMESAN, ROMANO & ASIAGO CHEESES (PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE ADDED TO PREVENT CAKING), SPICES, DEHYDRATED GARLIC.