Which food has less impact on blood sugar?

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