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 ESTER OF MONO AND DIGLYCERIDES, ASCORBIC ACID, YELLOW CORN MEAL), SAUCE: (WATER, TOMATO PASTE, CANOLA OIL, SUGAR, SALT, SPICES [BLACK PEPPER, OREGANO, FENNEL], MODIFIED FOOD STARCH, GARLIC, ONION, SUNFLOWER OIL {MFG. AID}), TOPPINGS: MOZZARELLA CHEESE (PARTLY SKIMMED MILK, BACTERIAL CULTURE, SALT, CALCIUM CHLORIDE, MICROBIAL ENZYME), ASIAGO CHEESE (PARTLY SKIMMED MILK, SALT, LIPASE, BACTERIAL CULTURE, MICROBIAL ENZYME, CALCIUM CHLORIDE), PARMESAN CHEESE (MILK, SALT, POWDERED CELLULOSE {TO PREVENT CAKING}, MILK PROTEIN CONCENTRATE, LIPASE, MICROBIAL ENZYME, BACTERIAL CULTURE, NATAMYCIN {ANTIMICROBIAL}), ROMANO CHEESE (MILK, SALT, POWDERED CELLULOSE {TO PREVENT CAKING}, MILK PROTEIN CONCENTRATE, LIPASE, MICROBIAL ENZYME, BACTERIAL CULTURE, NATAMYCIN {ANTIMICROBIAL}), POWDERED CELLULOSE {TO PREVENT CAKING}.