Perfect Ham and Swiss Panini

Ingredients

• 2 tablespoons unsalted butter
• 1/8 cup spicy Dijon mustard
• 1/8 cup mayo
• 8 slices rustic white bread,
• 8 slices Swiss cheese
• 8 slices cooked ham
• olive oil for grilling

Directions

1. Preheat Panini grill.
2. Mix mayo and mustard together.
3. Spread 1 1/2 teaspoons mustard mixture on one side of a slice of bread. Top with a slice of cheese, 2 slicesham, and another slice of cheese. Spread 1 1/2 teaspoons mustard mixture on a second slice of bread and place mustard side down on top of cheese to form a sandwich. Repeat process three times with remaining mustard, bread, cheese, ham.
4. Brush top and bottom of each sandwich with olive oil. Place in a panini grill and press until bread is crisp and brown, and cheese has melted slightly, 9 to 10 minutes. If using a grill pan, preheat over medium-high heat. Place a heavy pan on top of sandwiches and press down. Cook, turning once, 2 to 3 minutes per side.
5. Cut sandwiches in half and serve immediately.