Which food has less impact on blood sugar?

CRUST (ENRICHED FLOUR (WHEAT FLOUR, BENZOYL PEROXIDE, NIACIN, REDUCED IRON, ASCORBIC ACID, THIAMINE MONONITRATE, RIBOFLAVIN, AMYLASE, FOLIC ACID, WATER, LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE [MILK, MILK PROTEIN CONCENTRATE, CHEESE CULTURES, SALT, CALCIUM CHLORIDE, ENZYMES, POWDERED CELLULOSE), CANOLA OIL, SUGAR, CONTAINS LESS THAN 2% OF MODIFIED CORNSTARCH, YEAST, VEGETABLE OIL SHORTENING (PALM AND CANOLA OIL), SALT, LEAVENING (CORN STARCH, SODIUM BICARBONATE, SODIUM ACID PYROPHOSPHATE, SODIUM ALUMINUM PHOSPHATE), EXTRA VIRGIN OLIVE OIL, DOUGH CONDITIONERS [ENRICHED FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), ASCORBIC ACID, ENZYMES), CITRIC ACID, GUM BLEND XANTHAN GUM, GUAR GUM, SODIUM ALGINATE]), SAUCE (WATER, TOMATO PASTE, CANOLA OIL, SUGAR, SALT, SPICES (BLACK PEPPER, OREGANO, FENNEL), MODIFIED CORN STARCH, GARLIC, ONION, SUNFLOWER OIL (MFG. AID]), TOPPINGS LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (MILK, ULTRAFILTERED MILK, SALT, CHEESE CULTURES, ENZYME), PEPPERONI (PORK, BEEF, SALT, SPICES, SPICE EXTRACTIVES, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, DEXTROSE. MAY ALSO CONTAIN NATURAL SMOKE FLAVOR, SODIUM ERYTHORBATE, DEHYDRATED GARLIC AND CITRIC ACID), COOKED ITALIAN SAUSAGE (PORK, SPICES, WATER, SALT, DEXTROSE, SODIUM PHOSPHATES, SUGAR, GARLIC POWDER), COOKED SEASONED BEEF CRUMBLES (BEEF, WATER, SALT, SODIUM PHOSPHATES, FLAVORING (ROSEMARY EXTRACT]), POWDERED CELLULOSE (TO PREVENT CAKING).