Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME, ASCORBIC ACID], WATER, SOYBEAN OIL, YEAST, BREAD CRUMBS [WHEAT FLOUR, YEAST, SUGAR, SALT], SUGAR, SALT, CULTURED WHEAT STARCH, OLIVE OIL, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, HONEY, LCYSTEINE, CITRIC ACID), SAUCE (WATER, TOMATO PASTE, SEASONING [MALTODEXTRIN, MODIFIED FOOD STARCH, SUGAR, SALT, DEXTROSE, SPICES, DEHYDRATED GARLIC, CITRIC ACID, XANTHAN GUM], SOYBEAN OIL), LOW MOISTURE WHOLE MILK MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), LOW MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), COOKED ITALIAN SAUSAGE (PORK, SEASONING [SPICES, SALT, DEXTROSE, GARLIC, AND ONION POWDER], FLAVORINGS), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF DEXTROSE, GARLIC POWDER, LACTIC ACID STARTER CULTURE, SPICE EXTRACTIVES, OLEORESIN OF PAPRIKA, SODIUM NITRITE, SPICES, BHA, BHT, CITRIC ACID), GREEN BELL PEPPERS, YELLOW BELL PEPPERS, RED ONION, BLACK OLIVES (BLACK OLIVES, SALT, FERROUS GLUCONATE [STABILIZER]), MUSHROOMS, GARLIC, OREGANO.