Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, BREAD CRUMBS [BLEACHED WHEAT FLOUR, YEAST, SUGAR, AND SALT], SOYBEAN OIL, SUGAR, YEAST, SALT, NON-FAT DRY MILK, GARLIC), SAUCE (TOMATO PUREE [TOMATOES, SALT, CITRIC ACID], WATER, SEASONING [SPICES, DEHYDRATED GARLIC, MODIFIED FOOD STARCH, MALTODEXTRIN, SUGAR, SALT, DEXTROSE, HYDROLYZED CORN PROTEIN, PAPRIKA, CITRIC ACID, XANTHAN GUM, SODIUM BENZOATE [TO PROTECT FRESHNESS], CORN OIL, SOYBEAN OIL, EXTRACTIVES OF PAPRIKA], TOMATO PASTE, SOYBEAN OIL, SALT, ROMANO CHEESE [PASTEURIZED COW'?S MILK, CHEESE CULTURE, SALT, ENZYMES]), MOZZARELLA CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF DEXTROSE, GARLIC POWDER, LACTIC ACID STARTER CULTURE, NATURAL SPICE EXTRACTIVES, OLEORESIN OF PAPRIKA, SODIUM NITRITE, SPICES, BHA, BHT, CITRIC ACID), PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), PARMESAN, ROMANO, & ASIAGO CHEESE BLEND (PASTEURIZED PART SKIM MILK, COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), GARLIC, BASIL, PARSLEY, OREGANO.