Which food has less impact on blood sugar?

CRUST: ENRICHED FLOUR WHEAT FLOUR, MALTED BARLEY FLOUR, NACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAMIN FOLIC ACID), WATER, NONFAT MILK, VEGETABLE OIL SOYBEAN AND/OR CANOLA OIL), CONTAINS 2% OR LESS OF: HIGH OLEC CANOLA OIL SOY PROTEIN, SUGAR, SALT, YEAST, MODIFIED CELLULOSE, HYDROGENATED COTTONSEED OIL SOY LECITHIN ENZYMES, SAUCE TOMATOES (WATER TOMATO PASTE), MODIFED FOOD STARCH, CONTANS 2% OR LESS OF SUGAR, SALT, SPICE, DRIED GARLIC LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PART SKIM MILK CHEESE CULTURES, SALT, ENZYMES), COOKED PIZZA TOPPING (SAUSAGE PORK, MECHANICALLY SEPARATED CHICKEN, SPICES WATER, SALT, SUGAR, GARLIC POWDER), WATER, TEXTURED VEGETABLE PROTEIN [SOY FLOUR, SALT] PEPPERONI MADE WITH PORK CHICKEN AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, CONTAINS 2% OR LESS OF WATER DEXTROSE, SPICES, SMOKE FLAVORING, LACTIC ACID STARTER CULTURE SODIUM ASCORBATE, FLAVORING GARLIC POWDER, SODIUM NITRITE, BHA BHT, CITRIC ACID CONTAINS ONE OR MORE OF: PAPRIKA, OLEORESIN OF PAPRKA), BELL PEPPERS ONION.