Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR [WHEAT FLOUR, BARLEY MALT, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, CONTAINS LESS THAN 2% OF CALCIUM PROPIONATE, DEXTROSE, FUMARIC ACID, POTASSIUM SORBATE, SALT, SOY LECITHIN, VEGETABLE OIL [CANOLA AND/OR SOYBEAN OIL], YEAST), SAUCE (WATER, TOMATO PASTE, SEASONING [SUGAR, SALT, GARLIC, SPICE, MALTODEXTRIN, SOYBEAN OIL, CITRIC ACID, XANTHAN GUM, TOMATO POWDER, TRICALCIUM PHOSPHATE, YEAST EXTRACT, GARLIC EXTRACT, NATURAL FLAVOR], PARMESAN CHEESE [CULTURED PASTEURIZED PART-SKIM MILK, SALT, ENZYMES]), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI MADE WITH PORK, CHICKEN AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, CONTAINS 2% OR LESS OF SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, SODIUM ASCORBATE, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID, CONTAINS ONE OR MORE OF: WATER, GARLIC POWDER, PAPRIKA, OLEORESIN OF PAPRIKA, SMOKE FLAVORING).