Which food has less impact on blood sugar?

CRUST: ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, NONFAT MILK, VEGETABLE OIL (SOYBEAN AND/OR CANOLA OIL), CONTAINS 2% OR LESS OF: HIGH OLEIC CANOLA OIL, SOY PROTEIN, SUGAR, SALT, YEAST, MODIFIED CELLULOSE, HYDROGENATED COTTONSEED OIL, SOY LECITHIN, ENZYMES, SAUCE: TOMATOES (WATER, TOMATO PASTE), MODIFIED CORN STARCH, CONTAIN 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 PAPRIKA), BELL PEPPERS, ONION.