Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, PALM OIL, SOYBEAN OIL, CONTAINS 2% OR LESS OF: SALT, ACACIA GUM, YEAST, ENZYMES), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), SAUCE (TOMATO PUREE [WATER, TOMATO PASTE], CONTAINS 2% OR LESS OF: SUGAR, SPICES, SALT, SOYBEAN OIL, XANTHAN GUM, CITRIC ACID, DEHYDRATED ONION, DEHYDRATED GARLIC), COOKED ITALIAN SAUSAGE (PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, DRIED GARLIC, PAPRIKA, SUGAR, LEMON JUICE POWDER [CORN SYRUP SOLIDS, LEMON JUICE POWDER [CORN SYRUP SOLIDS, LEMON JUICE SOLIDS, LEMON OIL], FLAVORING), PEPPERONI, BHA, BHT WITH CITRIC ACID ADDED TO HELP PROTECT FLAVOR (PORK, SALT, CONTAINS 2% OR LESS OF: BEEF, DEXTROSE, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE, SPICES, ASCORBIC ACID, BHA, BHT, CITRIC ACID), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM ASCORBATE, SODIUM NITRITE, BHA, BHT, CITRIC ACID), CONTAINS 2% OR LESS OF: GRUYERE CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), FONTINA CHEESE ([PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), ASIAGO CHEESE ([PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), DRIED BASIL, DRIED OREGANO.