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, BREAD CRUMBS [WHEAT FLOUR, SUGAR, YEAST, SALT], YEAST, SOYBEAN OIL, CONTAINS 2% OR LESS OF: SUGAR, SALT, GUM ACACIA, WHEAT FLOUR, FERMENTED WHEAT FLOUR, 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), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), COOKED ITALIAN SAUSAGE (PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, DRIED GARLIC, PAPRIKA, PAPRIKA AND ANNATTO EXTRACT, SUGAR, LEMON JUICE POWDER [CORN SYRUP SOLIDS, LEMON JUICE SOLIDS, LEMON OIL], FLAVORING), PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF: DEXTROSE, GARLIC POWDER, LACTIC ACID STARTER CULTURE, SPICE EXTRACTIVES, OLEORESIN PAPRIKA, SODIUM NITRITE, SPICES, BHA [PRESERVATIVE], BHT [PRESERVATIVE], CITRIC ACID [PRESERVATIVE]), BELL PEPPERS, NOT SMOKED PROVOLONE CHEESE (CULTURED PASTEURIZED MILK, SALT, ENZYMES), BLACK OLIVES (BLACK OLIVES, SALT, FERROUS GLUCONATE), RED ONIONS, CONTAINS 2% OR LESS OF: DEHYDRATED GARLIC, 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 MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), DRIED OREGANO, DRIED PARSLEY.