Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, WHOLE WHEAT FLOUR, MULTI-GRAIN FLOUR BLEND [WHOLE WHITE WHEAT FLOUR, GOLDEN FLAXSEED MEAL, WHOLE OAT FLOUR, RYE MEAL], YEAST, HONEY, OLIVE OIL, MOLASSES, SUGAR, VITAL WHEAT GLUTEN, SALT), SAUCE (WATER, TOMATO PASTE, SALT, SUGAR, SPICES, ONION POWDER, GARLIC POWDER), LOW MOISTURE WHOLE MILK MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), UNCURED ALL NATURAL PEPPERONI WITHOUT ADDED NITRITES OR NITRATES EXCEPT NATURALLY OCCURING NITRATES IN SEA SALT AND CELERY JUICE CONCENTRATE (PORK AND BEEF, SEA SALT, NATURAL SPICES, EVAPORATED CANE JUICE, LACTIC ACID STARTER CULTURE, NATURAL FLAVORINGS [INCLUDING CELERY JUICE CONCENTRATE], OLEORESIN OF PAPRIKA), COOKED ITALIAN SAUSAGE (PORK, SPICES, WATER, SALT, SUGAR, DRIED GARLIC, LEMON JUICE, ROSEMARY EXTRACT, SAFFLOWER OIL), RED PEPPERS, GREEN PEPPERS, WHITE CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), ONIONS, PARMESAN CHEESE (MADE FROM PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, RENNET), ROMANO CHEESE (MADE FROM PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, RENNET, POTATO STARCH & CORN STARCH [ANTI-CAKING AGENTS]).