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 2% OR LESS OF: YEAST, SALT, SUGAR, OAT BRAN, OAT FIBER, ENZYMES), SAUCE (TOMATO PUREE [WATER, TOMATO PASTE], SALT, SUGAR, SPICE, CITRIC ACID, GARLIC POWDER, ONION POWDER), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), COOKED SAUSAGE WITH ITALIAN STYLE SEASONING (PORK, WATER, SPICES, SALT, CORN SYRUP SOLIDS, SODIUM PHOSPHATE, PAPRIKA, FLAVORING), PEPPERONI (PORK AND BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORINGS, SODIUM ASCORBATE, SODIUM NITRITE, BHA [ANTIOXIDANT], BHT [ANTIOXIDANT], CITRIC ACID [PRESERVATIVE]), UNSMOKED PROVOLONE CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), 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 [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), DEHYDRATED GARLIC, DRIED PARSLEY, DRIED OREGANO, DRIED BASIL.