Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, PALM OIL, BREAD CRUMBS [WHEAT FLOUR, SUGAR, YEAST, SALT], CONTAINS 2% OR LESS OF: SOYBEAN OIL, YEAST, SALT, OAT BRAN, SUGAR, OAT FIBER, NONFAT DRY MILK, WHEAT FLOUR, ENZYMES), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), SAUCE (TOMATO PUREE [WATER, TOMATO PASTE], SUGAR, CONTAINS 2% OR LESS OF: SPICES, BASIL, SALT, SOYBEAN OIL, CITRIC ACID, DEHYDRATED ONION, XANTHAN GUM, GARLIC POWDER), MOZZARELLA CHEESE (PASTEURIZED COW'S MILK, VINEGAR, SALT, ENZYMES), SLICED PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF: DEXTROSE, GARLIC POWDER, LACTIC AND STARTER CULTURE, SPICE EXTRACTIVES, OLEORESIN OF PAPRIKA, SODIUM NITRITE, SPICES, BHA [PRESERVATIVE], BHT [PRESERVATIVE], CITRIC ACID [PRESERVATIVE]), DICED PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF: DEXTROSE, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE, BHA [PRESERVATIVE], BHT [PRESERVATIVE], CITRIC ACID [PRESERVATIVE]), CONTAINS 2% OR LESS OF: GRATED PARMESAN CHEESE (PARMESAN CHEESE [PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), GRATED ROMANO CHEESE (ROMANO CHEESE MADE FROM COW'S MILK [PASTEURIZED COW'S MLK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), DEHYDRATED GARLIC, DRIED PARSLEY, DRIED OREGANO, DRIED BASIL.