You can make the sandwich using an indoor grill such as a George Foreman grill.
After all, you want to avoid giving the couple their 15th George Foreman grill or a wedding photo frame they put in a yard sale.
The George Foreman Grill is an electric grill that allows people to cook healthy, grilled foods indoors.
See George Foreman Grill Cooking Times for approximate lengths.
Keep in mind, however, that foods cooked through the George Foreman Grill cook three times faster than most cooking methods because the two grill plates can cook your food simultaneously.