Ingredients
Method
- Warm the ham in loose folds in a cast-iron skillet over low heat for 2 minutes, then transfer it to a plate.
- Spread Dijon over the inner bread faces and layer Swiss, ham and more Swiss between them.
- Butter the outside faces.
- Griddle over medium-low heat for 3 to 4 minutes per side until crisp and melted.
- Rest 1 minute before cutting.