When the toast pops up he takes it and butters it then brings it over to Lan Wangji while the eggs continue to cook. He then returns to keep an eye on the eggs.

"Don't get used to this Lan Zhan." He smiles as he knows the other is taking great pleasure in the fact he is doing the cooking.

And when the eggs finish he puts them on two plates and bring them over to the table so they can both eat.