What Is Your Favorite Sandwich?

We saw this sandwich at Martha Stewart and immediately got hungry. Steak sandwich, anyone?

Or maybe you'd prefer a cheese and onion sandwich, or a smoky vegetarian BLT? How about a plain peanut butter sandwich? What about a humble turkey sandwich, or a fancy one with avocado and poached egg — or, for that matter, avocado and mozzarella?

Or maybe something else? What's your favorite sandwich?

And if the steak sandwich up there just looks irresistible, here's the recipe:

Get the recipe: Steak Sandwiches with Sauteed Mushrooms and Spinach at Martha Stewart

Related: What to Put on a Fresh Vegetable Sandwich

(Image: Martha Stewart)