Mary Berry served up a tasty vegetarian humble pie with mushrooms, cauliflower and cheese sauce on Mary Berry Makes.

The ingredients are: 1 large cauliflower, 2 leeks, trimmed and cut into 2cm slices, 115g frozen petit pois, 1 x 375g packet ready-rolled puff pasty, Knob of butter, 200g button, mushrooms, halved and 1 egg, beaten.

For the cheese sauce: 55g butter, 55g plain flour, 450ml hot milk, 2 tsp Dijon mustard, 115g mature Cheddar, coarsely grated and 55g Parmesan, coarsely grated.

See recipes by Mary in her book titled: Mary Makes it Easy: The new ultimate stress-free cookbook available from Amazon now.