He hmms consideringly, as he follows his host to the kitchen. Cecil most certainly is not going to get sandwiches and fries anywhere they aren't supposed to be, because that's not how he does things. Sandwich-approved receptacles only. Like this fetchingly rustic table. He takes a seat and sets to taking foil-wrapped sandwiches and oil-stained paper cartons of fries out of the bag.

"That might be difficult. I think your best bet is a strong, general-purpose warding. That wouldn't be hard to test, even without any helpful angels to play guinea pig. But even if I were to set up something geared specifically towards angels, these hypothetical angels wouldn't notice, until they encountered the ward." He hesitates, finally concerned that he might be sticking his nose where it isn't wanted. "...You sound like you want to target a specific angel, though."