Which food has less impact on blood sugar?

CRUST: ENRICHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, SOYBEAN OIL, SEASONED BREAD CRUMBS (ENRICHED WHEAT FLOUR, SALT, SUGAR, YEAST, SPICES, SOYBEAN OIL, DEHYDRATED PARSLEY), YEAST, CORN SYRUP, PALM OIL, YELLOW CORNMEAL, SEMOLINA, DOUGH CONDITIONER BLEND (DATEM, WHEAT GLUTEN, SUGAR, DEXTROSE, WHEAT FLOUR, MALTED BARLEY FLOUR, GUAR GUM, ACTIVE MALT FLOUR, CALCIUM PYROPHOSPHATE, ASCORBIC ACID, ENZYME), SUGAR, SALT, NATURAL FLAVORED OIL (SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, NATURAL FLAVORS, BETA-CAROTENE [COLOR]), PARMESAN CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), VITAL WHEAT GLUTEN, WHEAT PROTEIN ISOLATE, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, OLIVE OIL, L-CYSTEINE. TOPPINGS: CHEESES (LOW MOISTURE MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], SMOKED GOUDA CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO AND/OR BETA CAROTENE {COLOR), NATURAL FLAVORS]), SAUCE (WATER, TOMATO PASTE, SEASONING [SALT, SPICES, DEHYDRATED GARLIC, DEXTROSE, SOYBEAN OIL], GARLIC POWDER), PEPPERONI (PORK, BEEF, SALT, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, OLEORESIN PAPRIKA, DEHYDRATED GARLIC, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PEPPERONI (PORK, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), 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}], DEHYDRATED GARLIC, SPICES).