Yummy. I used a combination of cheddar and mozzarella instead of the gruyere and simmered the tomato sauce with a tsp of sugar for about 20 minutes.

This was delicious! I only cooked it for about 20 minutes, without foil, and it worked perfectly - the courgettes were firm but still cooked. I also used a mixture of grated cheddar and parmesan as I had no gruyere. I added a dash of Worcestershire Sauce too to give it a kick!

Nice recipe and good for using up courgettes and tomatoes at the end of the summer. I added half a chopped onion to the sauce, along with some chilli flakes, plus some dried oregano as didn't have any basil. Used grated cheddar instead of gruyere, plus a few sliced mushrooms going spare and was nice and flavoursome and felt healthy! I pre-roasted the sliced courgettes for half an hour before layering them up, and even so the final cooking time could have done with another 10mins perhaps. Served it with lamb kebabs which worked well.

Absolutely delicious, I tried this to use up some courgette that needed eating and all I had was crumbly apricot cheese so I used that and it still came out great, will definitely make this again!

This is easy and effective. I hadn't got garlic, but I added finely chopped onions to my tomato sauce. Also used some of the mixture with lactofree cheese. Worked really well and will definately make again

Really nice recipe, served it with come white fish and crusty bread. witt defently make it again.

Delicious recipe, having the left overs with a baked potato tomorrow. Will be making this one again, again and again

I had some fresh spinach that needed using up so placed this in the bottom of a large casserole dish, put the tomato sauce on top and then layered the courgettes, sliced tomatoes and cheese on top (mixture of cheddar and parmesan as didn't have any gruyere). I was sure that it was going to be too watery and lack flavour but not at all, it was really delicious and my partner loved it. Reducing the tomato sauce sufficiently is key to the depth of flavour, I think. I didn't have fresh basil in so used dried. The sauce was zinging with flavour. Great, cheap nutritious dish which I am sure I will make again and again.

This was a good way to use up my glut of courgettes this summer. But I wouldn't buy courgettes especially to make this dish.

It's so simple but sooooo tasty! My hubby and I were surprisingly impressed. I'll definitely make it again! ;)

i have made this twice and each time has recieved mixed reviews. me and my young son loved it but my husband and daughter were not overally keen on it. i did find that it cam out slightly watery the first time but the second time i made it i backed the courgettes before layering them and this helped. was lovely with fresh crusty bread and some pork chops

Made this last night - roasted homegrown tomatoes courgettes and added peppers and spinach - used pecorino and parmesan - it was delicious and very tasty will definitely be making this again

Absolutely delicious - simple, easy, gorgeous

I love this as it can be scaled up and down easily and it's great to make for one person.

This year I've made it with my home grown courgettes!

I had to cook this for about 20 minutes longer than the recipe indicated to get the courgettes and tomatoes to a state where they were sufficiently cooked. This isn't my idea of a gratin either, not having a crispy top, but a gloopy cheese one instead. Some breadcrumbs would have helped here to bulk this up a bit and make the texture a bit more interesting. Nevertheless, this was tasty and a good way to use up home grown courgettes and tomatoes.

We loved this. I added thin slices of red onion and mushrooms and topped with parmesan. I added three cloves of garlic and a sprinkling of dried basil to the sauce as well as a handful of fresh. It all depends on personal taste. Another successful hit!

This was tasty and quick and easy to make. Next time I would serve this with something else though and not have on its own.

Fantastic dish and very easy to make. I blended the leftovers and used as a sauce for pasta - delicious. I will definately be making this again.

Ib thought the recipe was really nice and I didnt change anything excetp I cooked double and made several small ones sine i have an abundance of courgettes from the alotment

Very tasty as a side dish to a main meal.