I wasnt sure what to call this one

My new book It s All About Dinner is out now This is my ridiculously easy, nopasta, lasagnestyle chicken bake, where the chicken is used in place of the pasta. The only tiny bit of cooking required before it goes into the oven is to make the white sauce. Yep everything else goes into the pan uncooked, and the oven does all the work. Free printable recipe is available on our site: Ingredients: 1 onion finely chopped 6 medium mushrooms roughly chopped 2 cloves garlic peeled and minced 1 red bell pepper chopped 2 tsp olive oil 1 chicken stock cube crumbled 1, 4 tsp salt 1, 4 tsp pepper 4 chicken breasts (about , sliced in half to make 8 thin, wide breasts 500 g (2 cups) passata (tomato puree if you re in the US) 1 tsp dried Italian mixed herbs 100 g (1 cup) Cheddar cheese, grated White Sauce: 4 t