Which food has less impact on blood sugar?

INGREDIENTS: CRUST: FLOUR BLEND (WHITE WHOLE WHEAT FLOUR, ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], DEGERMED WHITE CORNMEAL, WHOLE GRAIN OAT FLOUR), WATER, YEAST, VEGETABLE OIL (SOYBEAN AND/OR CANOLA OIL), CONTAINS 2% OR LESS OF: DOUGH CONDITIONER (ENZYMES, CONTAINS ONE OR MORE OF THE FOLLOWING: DATEM, CALCIUM CARBONATE, WHEAT GLUTEN, GUAR GUM, ASCORBIC ACID, CHERRY POWDER), SUGAR, HYDROGENATED SOYBEAN OIL, SEA SALT, DEXTROSE, SOY LECITHIN, SALT, NATURAL FLAVOR, WHEAT STARCH. TOPPINGS: LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES, MAY CONTAIN NATAMYCIN [A NATURAL MOLD INHIBITOR]), FAT REDUCED PEPPERONI (PORK, BEEF, WATER, TEXTURED VEGETABLE PROTEIN PRODUCT* [SOY PROTEIN CONCENTRATE, ZINC OXIDE, NIACINAMIDE, FERROUS SULFATE, COPPER GLUCONATE, VITAMIN A PALMITATE, CALCIUM PANTOTHENATE, THIAMINE MONONITRATE (B1), PYRIDOXINE HYDROCHLORIDE (B6), RIBOFLAVIN (B2), AND CYANOCOBALAMIN (B12)], SALT, LESS THAN 2% OF SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID. *INGREDIENT NOT IN REGULAR PEPPERONI). SAUCE: TOMATOES (WATER, TOMATO PASTE [NOT LESS THAN 28% SOLUBLE SOLIDS]), CONTAINS 2% OR LESS OF: MODIFIED FOOD STARCH, PARMESAN CHEESE (PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), SUGAR, DEXTROSE, SALT, DRIED GARLIC, SPICE, DRIED ONION, DEHYDRATED ROMANO CHEESE (SHEEP'S AND COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), PAPRIKA, CITRIC ACID.