Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME, ASCORBIC ACID], WATER, SOYBEAN OIL, YEAST, BREAD CRUMBS [WHEAT FLOUR, YEAST, SUGAR, SALT], OLIVE OIL, SUGAR, SALT, CULTURED WHEAT STARCH, HONEY, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, L-CYSTEINE, CITRIC ACID), MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), TOMATO PUREE (TOMATOES, SALT, CITRIC ACID), WATER, 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), 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 INOSINATE, SOY LECITHIN), CONTAINS 2% OR LESS OF: GREEN BELL PEPPERS, RED BELL PEPPERS, YELLOW BELL PEPPERS, RED ONION, SEASONING (MODIFIED FOOD STARCH, MALTODEXTRIN, SUGAR, SALT, DEXTROSE, SPICES, DEHYDRATED GARLIC, HYDROLYZED CORN PROTEIN, PAPRIKA, CITRIC ACID, XANTHAN GUM, SODIUM BENZOATE [TO PROTECT FRESHNESS], CORN OIL, EXTRACTIVES OF PAPRIKA), PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), TOMATO PASTE, ROMANO, PARMESAN, & ASIAGO CHEESE BLEND (PASTEURIZED PART SKIM MILK, COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), SOYBEAN OIL, GARLIC, SALT, SEASONING (SPICES, GARLIC POWDER, SOYBEAN OIL), OREGANO.