Meanwhile prepare the celeriac dauphinois
Recipe but using celeriac rather than potato or a mixture if you like
Picture . Peel the baby onions or shallots and quickly brown in a little olive oil, take out and keep to one side. Clean and slice the ceps and quickly brown in the onion oil, take out and add to the onions. Add the onion/cep mixture to the venison about 45 minutes before it will be ready.