Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, PALM OIL, SOYBEAN OIL, CONTAINS LESS THAN 2% OF SEMOLINA [WHEAT], SALT, YEAST, VINEGAR, SOUR FLAVORING [CORN STARCH, WHEAT FLOUR, FUMARIC ACID, SALT, SODIUM SILICO ALUMINATE (PROCESSING AID), LACTIC ACID, ACETIC ACID], SUGAR, BAKING SODA [SODIUM BICARBONATE, PALM OIL, HYDROGENATED SOYBEAN OIL], DOUGH CONDITIONER [WHEAT FLOUR, ENZYMES], LECITHIN [SOY LECITHIN, CANOLA OIL]), SAUCE (WATER, TOMATO CONCENTRATE, SEASONING [SUGAR, SALT, SPICES, GARLIC], SOYBEAN OIL), LOW MOISTURE WHOLE MILK MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF: SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM ASCORBATE, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), DICED PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE, BHA, BHT, CITRIC ACID, MAY CONTAIN: DEHYDRATED GARLIC, FLAVORING, SODIUM ASCORBATE), PARMESAN AND ROMANO CHEESE BLEND (PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, RENNET], ROMANO CHEESE MADE WITH COW'S MILK [PASTEURIZED MILK, CHEESE CULTURES, SALT, RENNET], POWDERED CELLULOSE [ANTI-CAKING], SALT), OREGANO, GRANULATED GARLIC, BASIL.