How to bake the perfect Louis Tomlinson

"What’s next on the recipe, Hazza?”
“Hum…” he mutters and pokes his head up, pecking Louis on the lips. “Sprinkle it with some kisses to make it sweeter.”
“Oh, I like that step. Can I try?”

(A not so regular highschool!au where Gemma, Zayn and Louis are the cool kids and Harry doesn’t understand why are they asking for his help, but he will help them anyway because all he needs is Louis)