Which food has less impact on blood sugar?

CRUST: ENRICHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, PART-SKIM MOZZARELLA CHEESE (PASTEURIZED MILK, CULTURES, SALT, ENZYMES), PALM OIL, SOYBEAN OIL, SUGAR, ROMANO AND ASIAGO CHEESE BLEND (PASTEURIZED COW'S MILK, CHEESE CULTURE, SALT, POTATO STARCH, POWDERED CELLULOSE [TO PREVENT CAKING], ENZYMES, NATAMYCIN [NATURAL MOLD INHIBITOR]), NATURAL FLAVORED OIL (SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, NATURAL FLAVORS, BETA-CAROTENE), YEAST, SALT, MODIFIED FOOD STARCH, CULTURED WHEAT STARCH, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, DOUGH CONDITIONERS (WHEAT FLOUR, DATEM, DEXTROSE, SOYBEAN OIL, ASCORBIC ACID, ENZYMES, L-CYSTEINE), METHYLCELLULOSE, CITRIC ACID. TOPPINGS: SAUCE (WATER, TOMATO PAS SEASONING [SALT, SPICES, DEHYDRATED GARLIC, DEXTROSE, SOYBEAN OIL], GARLIC POWDER), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI MADE WITH PORK, CHICKEN AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN PAPRIKA, SODIUM ASCORBATE, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), ROASTED TOMATOES, GARNISH (GRATED PARMESAN CHEESE [PARMESAN CHEESE {PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), CELLULOSE (ANTI-CAKING}], GRATED ROMANO CHEESE [ROMANO CHEESE MADE FROM COW'S MILK {PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), CELLULOSE (ANTI-CAKING}], SPICES).