Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, PALM OIL, SOYBEAN OIL, CONTAINS 2% OR LESS OF SEMOLINA FLOUR, SALT, CULTURED WHEY, WHEY, YEAST, VINEGAR, EVAPORATED CANE SYRUP, SODIUM BICARBONATE, ENZYMES, SOY LECITHIN, CANOLA OIL), LOW MOISTURE WHOLE MILK MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), SAUCE (WATER, ALFREDO SEASONING [WHEY, CORN STARCH, PARMESAN AND ROMANO CHEESE POWDER {PARMESAN AND ROMANO CHEESE (PARTIALLY SKIM MILK AND MILK, CHEESE CULTURES, SALT, ENZYMES), DISODIUM PHOSPHATE (PROCESSING AID)}, SALT, NATURAL FLAVORS, SPICE, ONION POWDER], TOMATOES, SEASONING [CANE SUGAR, SALT, SPICES], GARLIC, BLACK PEPPER), UNCURED PEPPERONI CONTAINS NO ADDED NITRATES OR NITRITES EXCEPT THOSE NATURALLY OCCURING IN SEA SALT AND CELERY JUICE POWDER (PORK, SEA SALT, CONTAINS 2% OR LESS OF: MUSTARD, SUGAR, LACTIC ACID STARTER CULTURE, CELERY POWDER, NATURAL SPICE EXTRACTIVES, OLEORESIN OF PAPRIKA), DICED PROVOLONE CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), PARMESAN AND ROMANO CHEESE BLEND (PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, RENNET], ROMANO CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, RENNET]), BASIL.