Panini Inglese

Directions

1. 1
   Split each roll; spread generously with blue cheese on each side.
2. 2
   Into each roll, layer the roast beef, then the watercress leaves, and close up again, pressing well to seal.
3. 3
   Lightly butter the outside of each sandwich.
4. 4
   Heat a heavy nonstick skillet, or panini press, over med-high heat.
5. 5
   Place the sandwiches in the pan, working in 2 batches.
6. 6
   Weight down sandwiches with a heavy skillet or wide-bottomed saucepan, or close the grill; cook, turning once or twice until the bread is crisp and the cheese has melted.
7. 7
   Serve right away, cut on the diagonal.