For the Panini:
- 4 slices of hearty bread (French Loaf, Sour Dough etc)
- 1 tbsp melted butter
- 4-6 slices Swiss cheese
- 2-3 tsp whole grain mustard
- 4 tbsp caramelized onions (see recipe below)
- 4-6 slices rare roast beef
- 2-4 cups arugula
For the Caramelized Onions:
- 1 tbsp olive oli
- 1 red onion, sliced into half moons thinly
- Salt and pepper to taste
- 1 tsp balsamic vinegar
- 1/2 tsp Worcestershire sauce
Beth's Vinaigrette Recipe:
- 1 tsp dijon mustard
- 1 tbsp white wine vinegar
- 3-4 tbsp grape seed oil or olive oil
- Salt and pepper to taste
- 1 tsp minced shallots