Some copies of Persona 5 in Japan came with an official recipe card so you could recreate Sojiro’s famous Leblanc curry yourself. So here’s someone doing just that (you can also check out the recipe in full here).
And if you’d rather try something a bit less apple in it, you could always try Chris’ patented Kohler Curry™
https://kotaku.com/how-to-make-japanese-curry-bricks-taste-better-1793686115
