Which food has less impact on blood sugar?

CRUST (ENRICHED UNBLEACHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, PALM OIL, YEAST, CONTAINS LESS THAN 2% OF THE FOLLOWING: SUGAR, SOYBEAN OIL, EXTRA VIRGIN OLIVE OIL, SALT, NATURAL FLAVOR), PIZZA SAUCE (TOMATOES [TOMATOES, TOMATO JUICE, CITRIC ACID], WATER, TOMATO PASTE, SUGAR, MODIFIED CORN STARCH, SALT, PARMESAN AND ROMANO CHEESE MADE FROM COW'S MILK [PASTEURIZED PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES], CITRIC ACID, SPICES, POTASSIUM SORBATE AND SODIUM BENZOATE AS PRESERVATIVES, ONION POWDER, GARLIC POWDER), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURE, 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, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PROVOLONE CHEESE NOT SMOKED (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), BLACK OLIVES (BLACK OLIVES, SALT, FERROUS GLUCONATE), RED ONION, GREEN BELL PEPPER, RED BELL PEPPER, YELLOW BELL PEPPER, GRATED PARMESAN AND ROMANO CHEESES (PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE ADDED TO PREVENT CAKING), SPICES, DEHYDRATED GARLIC.