Which food has less impact on blood sugar?

INGREDIENTS: CRUST (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, WHOLE WHEAT FLOUR, OAT FIBER, SUGAR, YEAST, RICE FLOUR, MODIFIED FOOD STARCH, CONTAINS 2% OR LESS OF: HYDROGENATED SOYBEAN OIL WITH CITRIC ACID], SOYBEAN OIL [WITH CITRIC ACID, SALT, DRIED GARLIC, DOUGH CONDITIONER WHEAT STARCH, L-CYSTEINE HYDROCHLORIDE, AMMONIUM SULFATE], DEFATTED SOY FLOUR), SAUCE (TOMATOES [WATER, TOMATO PASTE], MODIFIED FOOD STARCH, SUGAR, CONTAINS 2% OR LESS OF: DEXTROSE, SALT, DRIED ONION. CARROT FIBER, DEHYDRATED ROMANO CHEESE [CULTURED PASTEURIZED SHEEP'S AND COW'S MILK, SALT ENZYMES], DRIED GARLIC, SPICE, PAPRIKA, CITRIC ACID, BASIL), TOPPINGS (REDUCED FAT MOZZARELLA CHEESE [CULTURED PASTEURIZED PART SKIM AND SKIM MILK, MODIFIED FOOD STARCH*, SALT, VITAMIN A PALMITATE, ENZYMES] *INGREDIENT NOT IN REGULAR MOZZARELLA CHEESE, PEPPERONI [PORK, BEEF, SALT, SPICES, DEXTROSE, SEASONING (NATURAL SPICE EXTRACTIVES, PAPRIKA OLEORESIN, NATURAL SMOKE FLAVORING, BHA, BHT, CITRIC ACID), LACTIC ACID STARTER CULTURE, SODIUM NITRITE]).