Make sure you pat dry your Cod fillets, Lay the lemon slices both on top and under the cod filets. Bake in the oven for 13 to 15 minutes, or until the cod is opaque and flakes easily with a fork.
Twelve homebakers take part in a 'bake off', which will test every aspect of their baking skills as they battle it out to be crowned the Great British Bake Off's Best Amateur Baker.