Gruyère with Caramelized Onions
This is one of Tom’s favorites, one that showcases how a sandwich can be adapted from a meal. The meal here is French onion soup. Whereas in the soup the onion is the star, with the crouton and cheese to support it, in the sandwich we flip that: the onions serve as the relish. We roast the onions very slowly, caramelizing them, until dark golden brown to balance the assertive and pungent Gruyère. With the rye bread to hint at the Alsatian origin of the soup, we end with something rustic and homey, and yet something that, unlike soup, can be enjoyed while walking down the street.
Recipe information
Yield
makes 4 sandwiches
Ingredients
Preparation
Preheat a sandwich press according to the manufacturer’s specifications (see Note, page 96). Place 2 slices of cheese on each of 4 slices of bread. Follow with a generous amount of onions and the other 2 slices of cheese. Close the sandwiches and place in the sandwich press (no need to butter the press or the bread). Close the lid and apply slight pressure. Cook without disturbing for 5 to 8 minutes. Open the press and check for color and temperature: The cheese should be melted and the bread golden. If the bread is sticking to the press, allow it to cook for a bit longer and it will unstick itself. If the press seems to generate more heat on the bottom, flip the sandwich halfway through to ensure even cooking (making sure the ridges in the bread line up). Once cooked, remove, cut into halves, and serve.
