[Oh, Gold's inviting Ken over! Maybe he trusts him a little more than he seemed to, was he shy?]

... huh? Oh, you're welcome.

[It now felt a little awkward and stiff too, so, he 'd rather go back to things beign more relaxed, so he playfully (if gently) patted Gold's shoulder.]

I could praise your cooking any day! [He knows it wasn't just about the burgers, but he was trying to lighten up the mood!]

I bet you could open up a restaurant, if you wanted to!