Mary Berry and Alex Jones served up a tasty spinach and mushroom lasagne with balsamic vinegar sun dried tomato paste on Mary at 90: A Lifetime of Cooking.

The ingredients for the lasagne are: 6–8 sheets dried lasagne, 2 tbsp olive oil, 1 large onion, roughly chopped, 500g button mushrooms, sliced, 2 large garlic cloves, finely grated, 30g plain flour, 2 x 400g tins chopped tomatoes, 1 tbsp freshly chopped thyme leaves, 2 tsp balsamic vinegar, 2 tbsp sun-dried tomato paste and 200g baby spinach, trimmed.

For the cheese sauce: 55g unsalted butter, 55g plain flour, 600ml hot milk, 2 tbsp Dijon mustard, 150g mature cheddar, coarsely grated, 55g Parmesan (or alternative vegetarian hard cheese), coarsely grated, salt and freshly ground black pepper.

See recipes by Mary in her book titled: Mary 90 available from Amazon now.