Hm, I do have recipes but since you ask about a quick snack without overdoing it, here is one of mine. It's hardly cooking at all but fab.

𝗜𝗻𝗴𝗿𝗲𝗱𝗶𝗲𝗻𝘁𝘀
🟠 Rice cracker/waffle (you know, with the puffed rice, or the ones with puffed whatever)
🟠 Nice cheese (my favourite is French Gruyère)
🟠 Freshly ground black pepper
🟠 Sometimes nice: fresh thin onion rings

𝗠𝗮𝗸𝗶𝗻𝗴 𝘁𝗵𝗲 𝗴𝗼𝗼𝗱𝗻𝗲𝘀𝘀
Pop it all on a cracker (or two, three, say; four).
Pop it all in the microwave.
Wait until the cheese melts and, if you like, slightly 'splits' because that will create a bit of a 'crust' (which I like).
Pop into mouth.

Enjoy!