Best cooking method for burgers: Liberato recommends cooking burgers ... Wrap in aluminum foil and steam in the oven for 1 hour and 30 minutes set to 250 degrees when until you can stick a pick ...
then pour the butter mixture over the celeriac and return to the oven for 25–30 minutes. Turn and baste the celeriac ‘steaks’ with the butter mixture 3–4 times during cooking. To serve ...