Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SOYBEAN OIL, SUGAR, YEAST, CONTAINS 2% OR LESS OF THE FOLLOWING: LEAVENING [SODIUM ALUMINUM PHOSPHATE, SODIUM BICARBONATE], SALT, ENZYME, ASCORBIC ACID, WHEAT STARCH, DEGERMED CORN MEAL, SOY LECITHIN), SAUCE (WATER, TOMATOES, SALT, SPICES, DEHYDRATED GARLIC, NATURAL FLAVORS, SUGAR, MALIC ACID), LOW MOISTURE PART SKIM MOZZARELLA (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), COOKED SEASONED PIZZA TOPPING (SAUSAGE [PORK, MECHANICALLY SEPARATED CHICKEN, WATER, SPICES, SALT, SODIUM PHOSPHATES, PAPRIKA {COLOR}, MODIFIED FOOD STARCH, NATURAL FLAVOR, AUTOLYZED YEAST EXTRACT, BHA, BHT, CITRIC ACID, YEAST EXTRACT, DISODIUM INOSINATE, SOY LECITHIN], WATER, TEXTURED SOY PROTEIN CONCENTRATE, SOY PROTEIN CONCENTRATE), PEPPERONI MADE WITH PORK, CHICKEN AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM ASCORBATE, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), GREEN PEPPER, ONION, RED PEPPER, BLACK OLIVES (OLIVES, WATER, SALT, FERROUS GLUCONATE).