I didn’t this time because there was so much flavour in that jarred sauce. I have made a recipe before. Mac and Cheese - #110 by Phoenikia
There are a lot of recipes online.
I’ve also added leftover Tandoori chicken or tikka masala to boxed macaroni and cheese.
There’s also Tikka Masala Mac & Cheese, same kind of idea. If I was making this I’d use sub milk for cream.