Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN FOLIC ACID], WATER, BREAD CRUMBS [BLEACHED WHEAT FLOUR, YEAST, SUGAR, AND SALT], SOYBEAN OIL, SUGAR, YEAST, SALT, NON-FAT DRY MILK, GARLIC), SAUCE (TOMATO PUREE [TOMATOES, SALT, CITRIC ACID], WATER, SEASONING [SPICES, DEHYDRATED GARLIC, MODIFIED FOOD STARCH, MALTODEXTRIN, SUGAR, SLAT, DEXTROSE, HYDROLYZED CORN PROTEIN, PAPRIKA, CITRIC ACID, XANTHAN GUM, SODIUM BENZOATE {TO PROTECT FRESHNESS}, CORN OIL, SOYBEAN OIL, EXTRACTIVES OF PAPRIKA], TOMATO PASTE, SOYBEAN OIL, SLAT, ROMANO CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURE, SALT, ENZYMES]), MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), COOKED SEASONED PORK AND CHICKEN PIZZA TOPPING (PORK, MECHANICALLY SEPARATED CHICKEN, WATER, TEXTURED VEGETABLE PROTEIN [SOY PROTEIN CONCENTRATE, CARAMEL COLOR], SPICE, SALT, SODIUM PHOSPHATE, PAPRIKA, MODIFIED CORN STARCH, NATURAL FLAVOR, AUTOLYZED YEAST EXTRACT, BHA, BHT, CITRIC ACID, YEAST EXTRACT, DISODIUM INSOINATE, SOY LECITHIN), PEPPERONI (PORK BEEF, SALT, CONTAINS 2% OR LESS OF DEXTROSE, GARLIC POWDER, LACTIC ACID STARTER CULTURE, NATURAL SPICE EXTRACTIVES, OLEORESIN OF PAPRIKA, SODIUM NITRITE, SPICES, BHA, BHT, CITRIC ACID), PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), GREEN BELL PEPPER, RED BELL PEPPER, YELLOW BELL PEPPER, RED ONION, OLIVES (BLACK OLIVES, SALT, FERROUS GLUCONATE [STABILIZER]), PARMESAN, ROMANO & ASIAGO CHEESE BLEND (PASTEURIZED PART SKIM MILK, COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), GARLIC, BASIL, PARSLEY, OREGANO.