Which food has less impact on blood sugar?

INGREDIENTS CRUST: FILTERED WATER, TAPIOCA STARCH, POTATO STARCH, SPROUTED GRAIN FLOUR BLEND (SPROUTED BROWN RICE FLOUR, SPROUTED MILLET FLOUR, SPROUTED QUINOA FLOUR, SPROUTED CHIA), BUCKWHEAT FLOUR, WHITE RICE FLOUR, POTATO FLAKES (MONOGLYCERIDES, SODIUM ACID PYROPHOSPHATE, CITRIC ACID), HONEY, EXTRA VIRGIN OLIVE OIL, EGG WHITE POWDER (EGG WHITES, BAKER YEAST, CITRIC ACID), MODIFIED CELLULOSE GUM, FLAX SEED, CULTURED DEXTROSE, SALT, DISTILLED MONO & DIGLYCERIDES, YEAST, SODIUM BICARBONATE. SAUCE: FILTERED WATER, DICED TOMATO IN JUICE (VINE RIPEN TOMATOES, TOMATO JUICE, SALT, CALCIUM CHLORIDE), TOMATO PASTE, EXTRA VIRGIN OLIVE OIL, EVAPORATED CANE SYRUP, SALT, BASIL, RED WINE VINEGAR, ROASTED GARLIC, SPICES, CORN STARCH, LEMON JUICE CONCENTRATE, XANTHAN GUM. TOPPINGS: MOZZARELLA CHEESE (PASTEURIZED SKIM MILK, BACTERIAL CULTURE, SALT, CALCIUM CHLORIDE, MICROBIAL ENZYME), UNCURED PEPPERONI (NO NITRITES OR NITRATES ADDED EXCEPT THOSE NATURALLY OCCURRING IN SEA SALT AND CELERY JUICE POWDER) (PORK, BEEF, SEA SALT, MUSTARD, SPICES, CELERY EXTRACT, CELERY JUICE POWDER, PAPRIKA, CANE SUGAR, GARLIC POWDER, WATER, STARTER CULTURE, SPICE EXTRACTS, ROSEMARY EXTRACT).