Which food has less impact on blood sugar?

MULTIGRAIN CRUST (WHEAT FLOUR, WATER, VEGETABLE OIL [CANOLA OIL, PURE OLIVE OIL], FLAXSEED, YEAST, SUGAR, SALT, WHOLE OAT FLOUR), SAUCE (TOMATOES [DICED TOMATOES, TOMATO JUICE], WATER, TOMATO PASTE, EXTRA VIRGIN OLIVE OIL, RED WINE VINEGAR, SALT, SUGAR, SPICES, GARLIC*, ONION*), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), NATURAL COOKED ITALIAN SAUSAGE (PORK, SPICES, WATER, SALT, SUGAR, NATURAL FLAVORINGS, PAPRIKA), UNCURED PEPPERONI NO NITRATE OR NITRITE ADDED EXCEPT THAT WHICH NATURALLY OCCURS IN SEA SALT AND CELERY JUICE CONCENTRATE (PORK AND BEEF, SEA SALT, NATURAL SPICES, EVAPORATED CANE SYRUP, LACTIC ACID STARTER CULTURE, NATURAL FLAVORINGS [INCLUDING CELERY JUICE CONCENTRATE], OLEORESIN OF PAPRIKA), FONTINA CHEESE (PASTEURIZED PART-SKIM MILK, CULTURES, SALT AND ENZYMES), SPICES.