George Foreman grills are the best, you can cook just about anything on them. The first time we ever brought one with us was after reading on TUG people were bringing them when staying at the Manhattan Club (Small fridge, kitchen sink, microwave but no cooktop or stove). We stayed 2 weeks there, and it worked out great for us, so we've been using it whenever we go someplace that lacks a cooktop. We usually put down a towel to absorb the heat (keep from damaging anything). You can cook all kinds of things on a George Forman Grill: bacon, bagel, quesadilla, grilled cheese sandwich, boneless chicken breast, pork chops, a thin steak, or even sausages (you can split big ones in half & grill).
Here's a tip: if you turn the George Forman grill upside down you have a flat surface (no ridges), and you can even cook an egg. It may sound gross to some people, but we just can't afford to eat out 3 meals a day for an entire week. So, we will usually do a few things on the George Forman here and there. The best way to do in-room cooking is on the bathroom sink with the door closed between the room & the bathroom. Helps keep the hotel room nice & odor free. The bathroom fan and humidity from the shower can get any cooking odors out, after you are done cooking. Let the grill cool off, then leave it on the towel and put it all inside a drawer.
You know, it's always preferable to have a real kitchen. That's one of the great things about owning timeshares. But we have had several exchanges into places without cooktops - Manhattan Club (twice), Hyatt Chicago, The Mayflower Washington DC. We always try to be respectful about cooking odors, cleaning up, keeping the George Forman out of sight -- and have never had an issue/complaint anywhere we've stayed.
--- Rene
And, we tucked it out of site when we left the room for the day too. 
