Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [FLOUR, NIACIN, IRON, THIAMIN 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 CORNSTARCH, NATURAL FLAVOR, AUTOLYZED YEAST EXTRACT, BHA, BHT, CITRIC ACID, YEAST EXTRACT, DISODIUM INOSINATE, SOY LECITHIN), COOKED BEEF AND CHICKEN PIZZA TOPPING (BEEF, MECHANICALLY SEPARATED CHICKEN, WATER, TEXTURED VEGETABLE PROTEIN [SOY PROTEIN CONCENTRATE], SOY PROTEIN CONCENTRATE, CONTAINS 2% OR LESS OF: BEEF FLAVOR, SALT, SUGAR, SPICES, GARLIC POWDER, YEAST EXTRACT, NATURAL FLAVORS), BACON (BACON, CURED WITH WATER, SALT, SUGAR, DEXTROSE, SODIUM ERYTHORBATE, SODIUM NITRITE), CONTAINS 2% OR LESS OF: 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), TOMATO PASTE, PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), ROMANO, PARMESAN AND 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.