Peel, deseed and chop butternut squash into bite size pieces, rub with olive oil and season with salt and pepper and mixed herbs - roast in the oven at 180c for approximately 30 minutes or until the squash is soft and slightly charred on the edges
Combine the cooked chicken with the ricotta, spinach and pesto
Compile the lasagna - spread a layer of the chicken mixture on the base of your oven proof dish add some of the roasted butternut squash, add a single layer of lasagna sheets and add another layer of the chicken mixture and butternut squash repeat until you’ve used all the mixture. Add a final layer of lasagna sheets and then the tomato and basil sauce.
Top with grated Parmesan and mozzarella.
Bake in the oven for approximately 30-45 minutes until the pasta is cooked and the cheese is bubbly and golden.