Roast Cod with Upmarket Mushy Peas

For the Peas

• 1 head of garlic
• 800 g frozen petits pois
• 100

Put separated but not peeled cloves of garlic in cold water, bring to boil, salt and then boil for 10 minutes. Fish out the cloves with a slotted spoon, push them out of their skins back into the water and bring back to the boil. Add the peas and cook for slightly longer than you would if you were eating them normally. Drain, then tip into the bowl of the food processor, add the butter and proc