You and Paimon walked through Liyue, on the search for something to do. (You're avoiding your quests.) You stop by the Wanmin restaurant, ordering food and sitting down.

When you went to pay, Tartaglia came up behind you and put his hand on your shoulder, letting out a humble chuckle.

"Please, dear traveler. Allow me. Can't have my favorite traveler going broke, now can we?"

Tartaglia says, handing Chef Mao 1500 Mora and tucking his coin pouch back into his pocket.