Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SUGAR, CONTAINS LESS THAN 2% OF WHEAT GLUTEN, WHITE CORN MEAL, SOYBEAN AND/OR CORN OIL, SALT, YEAST, SODIUM STEAROYL LACTYLATE, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, DIACETYL TARTARIC ACID ESTERS OF MONO AND DIGLYCERIDES, ASCORBIC ACID, YELLOW CORN MEAL), SAUCE (WATER, TOMATO PASTE, CANOLA OIL, SUGAR, SALT, SPICES [BLACK PEPPER, OREGANO, FENNEL], MODIFIED CORN STARCH, GARLIC, ONION, SUNFLOWER OIL, (MFG. AID}), MOZZARELLA CHEESE (PARTLY SKIMMED MILK, BACTERIAL CULTURE, SALT, CALCIUM CHLORIDE, MICROBIAL ENZYME), COOKED ITALIAN SAUSAGE (PORK, WATER, SPICES, SALT, DEXTROSE, SODIUM PHOSPHATES, SUGAR, GARLIC POWDER), PEPPERONI (PORK, BEEF, SALT, DEXTROSE, LACTIC ACID STARTER CULTURE, FLAVORINGS [MUSTARD, SPICE EXTRACTIVES], OLEORESIN OF PAPRIKA, SODIUM ERYTHORBATE, NATURAL SMOKE FLAVOR, DEHYDRATED GARLIC, SODIUM NITRITE, CITRIC ACID), GREEN AND RED PEPPERS, ONIONS, BLACK OLIVES (RIPE BLACK OLIVES, WATER, SALT, FERROUS GLUCONATE {TO PRESERVE COLOR}, POWDERED CELLULOSE {TO PREVENT CAKING}.