Which food has less impact on blood sugar?

CRUST (ENRICHED UNBLEACHED WHEAT FLOUR [FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE (B1), RIBOFLAVIN (B2), FOLIC ACID], WATER, CONTAINS 2% OR LESS OF ACACIA GUM, SUGAR, DEHYDRATED GARLIC, DEHYDRATED ONION, OLIVE OIL, YEAST, SALT, BAKING POWDER [SODIUM PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE], DOUGH CONDITIONER [ISOLATED SOY PROTEIN, MONO AND DIGYCERIDES, MODIFIED CELLULOSE, SOYBEAN OIL, SOY LECITHIN]), SAUCE (TOMATO PUREE [WATER, TOMATO PASTE], MODIFIED FOOD STARCH, SALT SUBSTITUTE [SODIUM CHLORIDE, POTASSIUM CHLORIDE, SODIUM GLUCONATE], SUGAR, GARLIC POWDER, SPICES, ONION POWDER, XANTHAN GUM, ACETIC ACID, CITRIC ACID, DEXTROSE, NATURAL FLAVOR, EXTRACTIVES OF PAPRIKA), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PART SKIM MILK, CULTURES, SALT, ENZYMES), REDUCED FAT - REDUCED SODIUM MOZZARELLA CHEESE (PART SKIM MILK, NONFAT MILK, MODIFIED CORNSTARCH, CHEESE CULTURE, SALT, POTASSIUM CHLORIDE, FLAVORS, ANNATTO, VITAMIN A PALMITATE, ENZYMES), PEPPERONI (PORK AND BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM ASCORBATE, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PARMESAN CHEESE (CULTURED PART-SKIM MILK, SALT, ENZYMES), ROMANO CHEESE FROM COW'S MILK (CULTURED PART-SKIM MILK, SALT, ENZYMES), PARSLEY.