Recipes
Find tried and tested recipes from McCarthy Stone homeowners, teams and the restaurant chefs in our assisted living (Retirement Living PLUS) developments

Mary Berry's Butternut Squash and Spinach Lasagna

An excellent way to make the most of leftover pumpkins and seasonal produce, Mary Berry shows us how you can create a healthy, hearty dinner that is perfect for a meat-free-Monday!

Recipes
Posted 12 October 2018
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Prep: 1.5 hours Cook: 1 hour 15 minutes
difficult
Serves:
4
V
Vegetarian
H
Healthy

Ingredients

For the butternut squash and spinach lasagna

  • 1 small butternut squash, peeled, seeds removed and cut into 3-4cm chunks
  • 2 onions, peeled and thickly sliced
  • 2tbsp olive oil
  • 250g button chestnut mushrooms, sliced thickly
  • 250g spinach, washed
  • About 6 large dried lasagna sheets
  • Salt and freshly ground black pepper

For the tomato sauce

  • 400ml tomato passata<br>
  • 3tbsp red pesto

For the cheese sauce

  • 75g butter
  • 75g plain flour
  • 600ml hot milk
  • 2tsp Dijon mustard
  • 200g Gruyere cheese, grated

Method

Preparation

  1. Preheat the oven to 200°C/180°C fan/Gas 6. You will need a shallow 2-litre (3½-pint) shallow baking dish. Place the squash and onions in a roasting tin, mix with the oil, season then roast for about 30 minutes until tender. (When you pierce the squash with a knife it should go through easily, but you don’t want the squash to be mushy.) Add the mushrooms for the last 10 minutes.
  2. Put the spinach in a colander in the sink, and pour over a kettle of boiling water until the spinach has wilted. Allow to drain, then press out as much of the water as you can.
  3. For the tomato sauce, mix the tomato passata with the pesto.
  4. Immerse the lasagna sheets in boiling water for 5 minutes until softened.
  5. For the cheese sauce, melt the butter in a small pan then beat in the flour. Gradually whisk in the hot milk, stirring all the time, until the sauce thickens. Add the mustard and about three-quarters of the cheese and continue to stir gently until the cheese has melted. Season well.
  6. To assemble the lasagna, put a third of the roasted vegetables into the bottom of your ovenproof dish followed by a layer of spinach then a third of the tomato sauce and a third of the cheese sauce. Lay lasagna sheets on top of this. Top with half of the remaining vegetables, tomato sauce and cheese sauce. Add the last lasagna sheets and top with the remaining vegetables, tomato sauce and cheese sauce. Sprinkle the reserved cheese over the top.
  7. Bake for 30–40 minutes or until the lasagna is golden and bubbling on top
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