Which food has less impact on blood sugar?

CRUST: ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, ASCORBIC ACID [DOUGH CONDITIONER], NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, BREADCRUMBS [UNBLEACHED WHEAT FLOUR, CANE SUGAR, YEAST, SALT], ORGANIC SOYBEAN OIL, YEAST, EXTRA VIRGIN OLIVE OIL, CONTAINS 2% OR LESS OF: HONEY, ORGANIC CANE SUGAR, NATURAL FLAVOR, SALT. TOPPINGS: UNCURED PEPPERONI WITH NO NITRATES OR NITRITES ADDED (PORK, BEEF, SEA SALT, CANE SUGAR, SPICES, PAPRIKA, NATURAL FLAVORS, GARLIC POWDER, LACTIC ACID STARTER CULTURE), COOKED ITALIAN SAUSAGE (PORK, SPICES, WATER, SALT, CANE SUGAR, NATURAL FLAVORS, PAPRIKA), UNCURED NATURAL CANADIAN STYLE BACON WITH NO NITRATES OR NITRITES ADDED (PORK SIRLOIN HIPS, WATER, SEA SALT, SUGAR, BROWN SUGAR, NATURAL FLAVOR), RED ONIONS, YELLOW BELL PEPPERS, RED BELL PEPPERS, BLACK OLIVES (BLACK OLIVES, SALT, FERROUS GLUCONATE {TO MAINTAIN COLOR}). CHEESE: MOZZARELLA CHEESE (PASTEURIZED MILK, CULTURES, VEGETABLE ENZYMES, SALT). SAUCE: WATER, TOMATO PASTE, EXTRA VIRGIN OLIVE OIL, ORGANIC CANE SUGAR, BASIL, GARLIC POWDER, SALT, GRANULATED GARLIC, BLACK PEPPER, RED PEPPER.