| 1 | Preheat the oven to 410°F (210°C).
Prepare 1 shallot. |  |
| 2 | Prepare 250 g cooked spinach then set aside. |  |
| 3 | Chop 2 hard-boiled eggs with a knife... |  |
| 4 | ...and mix with 100 g bechamel sauce. |  |
| 5 | Cut 4 slices bread and remove the crust (optional). |  |
| 6 | Spread each slice of bread generously with the bechamel and egg topping and scatter grated cheese on top. |  |
| 7 | Cook in the oven for around 20 minutes until the top is browned. Finish under the grill if necessary. |  |
| 8 | Melt a knob of butter in a frying pan and cook the shallot with salt and pepper for 1 or 2 minutes without colouring. |  |
| 9 | Serve the gratin slices with the spinach on either side. |  |