You can put them in the microwave. The Bolognese one is lovely but the veggie pasta in amazballs is horrible. I haven’t tried the others yet, as they only have those two plus the burrito one in our local.
I've just checked out this range, they all only have cooking instructions to microwave. However, I don't like to microwave my food so transferred a couple into a Pyrex dish and stuck them in the oven, they were fine. I had the Amaze balls pasta tonight and unlike the previous poster I really liked it!
I tried the caponata pizza, it isn't bad although the stuff in the sachet was just like a weird mint sauce so I added my salca free from pesto instead. The base is good but the sauce is not the best and it's dry without the salsa verde.
The gunpowder potato meal is quite nice, we found the thai curry a bit bland and the pastrami carrot wrap was just odd, not much flavour but kind of sweet. We've been trying the reduced stuff so it was better prices anyway.