Which food has less impact on blood sugar?

CRUST: ENRICHED WHEAT FLOUR (FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, PALM OIL, SUGAR, SOYBEAN OIL, BREAD CRUMBS (BLEACHED WHEAT FLOUR, YEAST, SUGAR, SALT), YEAST, CULTURED WHEAT FLOUR, SALT, SODIUM BICARBONATE, DOUGH CONDITIONERS (WHEAT FLOUR, DATEM, DEXTROSE, SOYBEAN, ASCORBIC ACID, ENZYMES, L-CYSTEINE), CITRIC ACID. SAUCE: TOMATO SAUCE (WATER, TOMATO PASTE), SALT, SUGAR, SPICES, DEXTROSE, HYDROLYZED SOY PROTEIN, FLAVORING, SOYBEAN OIL, OLIVE OIL. ITALIAN SAUSAGE: PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, FLAVORINGS, PAPRIKA, SODIUM PHOSPHATE. LOW MOISTURE, MOZZARELLA CHEESE: PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE (TO PREVENT CAKING). PROVOLONE CHEESE: PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES. PEPPERONI: PORK, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID. RED YELLOW, AND GREEN BELL PEPPER, TOMATOES, MUSHROOMS, RED ONION, CHEESE BLEND: PARMESAN, ROMANO MADE FROM COW'S MILK, AND ASIAGO, CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), CELLULOSE POWDER (TO PREVENT CAKING), POTASSIUM SORBATE (TO PROTECT FLAVOR). SEASONING: DEHYDRATED GARLIC, SPICE.