Jamie Oliver served up a tasty frozen fish pie with spinach, eggs and crispy mash on Jamie’s £1 Wonders.

The ingredients are: 2 medium free-range eggs, 480 g frozen leaf spinach, 1.5 kg potatoes, olive oil, 1 onion, 1 carrot, 30 g plain flour, 500 ml semi-skimmed milk, 2 teaspoons English mustard, 80 g mature Cheddar cheese, 520 g frozen white fish fillets and 2 x 400g tins of baked beans.

See recipes by Jamie in his book titled: One: Simple One-Pan Wonders available from Amazon now.