Prosciutto Panini with Apple and Gruyère

Serves 1.
Ingredients
- 2 slices country-style bread
- Extra-virgin olive oil for brushing
- 1 Tbs. mayonnaise
- 2 thin slices Gruyère cheese
- 2 thin slices prosciutto
- 1/4 Granny Smith apple, cored and thinly sliced
Directions
Preheat an electric panini maker according to the manufacturer's instructions.Brush one side of each bread slice with olive oil. Lay the slices, oiled side down, on a clean work surface. Spread the tops of the slices with the mayonnaise. Arrange the cheese, prosciutto and apple slices on one bread slice. Top with the other bread slice, oiled side up.
Place the sandwich on the preheated panini maker and cook according to the manufacturer's instructions until the bread is golden and the cheese is melted, 2 to 3 minutes.
Transfer the sandwich to a cutting board and cut in half. Serve immediately.