Set the oven to 400°F / 204°C and leave it for 15 minutes so the rack is actually hot. Weigh polenta, water, kosher salt, unsalted butter, cheddar. Arepa is cooked in Colombia as its own dish. Cook corn cakes on a dry pan until they blister and the center is tender, then split and fill them. Amounts are scaled for four from foods this library can count, so the nutrition panel comes from those ingredients.