Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, VEGETABLE OIL [CANOLA OIL AND/OR OLIVE OIL], YEAST, SUGAR, SALT, WHOLE OAT FLOUR), SAUCE (TOMATO PUREE [WATER, TOMATO PASTE], VEGETABLE OIL [CANOLA OIL AND/OR OLIVE OIL], RED WINE VINEGAR, SALT, SPICES, GARLIC*, ONION*), LOW-MOISTURE MOZZARELLA CHEESE (PASTEURIZED WHOLE MILK, CHEESE CULTURES, SALT, ENZYMES), NATURAL COOKED SPICY ITALIAN SAUSAGE WITH GARLIC (PORK, SPICES, SALT, WATER, SUGAR, PAPRIKA, DEHYDRATED GARLIC, NATURAL FLAVORING), UNCURED PEPPERONI NO NITRATES OR NITRITES ADDED EXCEPT FOR THOSE NATURALLY OCCURRING IN SEA SALT, CELERY POWDER AND CULTURED CELERY JUICE (PORK, BEEF, SEA SALT, CONTAINS 2% OR LESS OF: NATURAL FLAVORINGS, CELERY POWDER AND/OR CULTURED CELERY JUICE, CANE SUGAR AND/OR DEXTROSE, CHERRY POWDER, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA AND/OR EXTRACTIVES OF PAPRIKA. MAY ALSO CONTAIN: SPICES), RED BELL PEPPERS, GREEN BELL PEPPERS, YELLOW BELL PEPPERS, PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), ONION, PARSLEY*, *DRIED, MINIMALLY PROCESSED, NO ARTIFICIAL INGREDIENTS