- 2 slices ham
- 1 bunch mizuna, roots removed, cut into 2-inch pieces
- 1/4 onion, sliced
- 4 slices bread
- 2 slices mozzarella cheese
- 2 Vienna sausages, thinly sliced
- 1 tablespoon butter, or as needed
- Layer ham, mizuna, and onion over 2 slices of bread. Place mozzarella cheese on top. Spread sliced sausage evenly over cheese. Cover with the other 2 slices of bread.
- Preheat a sandwich maker according to manufacturer's instructions. Brush plates with melted butter.
- Cook sandwiches in the preheated sandwich maker until crispy, about 5 minutes. Cut each sandwich in half before serving.