A wonderful little treat for a light dinner or appetiser.
I used little bagels, and you can use English muffins or baguette slices.
1- Spread some Dijon mustard on the bagels or bread of choice.
2- Top with thin slices of tomatoes, one leaf of fresh basil and Parmigiano Reggiano shavings.
3- Place under the broiler for five to seven minutes.
4- Serve immediately.