It's super easy, comfort and you will love it.
Start by slicing the broccoli stalks and potatoes. Boil in salted water for 10 minutes until slightly softened.
Transfer to an oven pan. Preheat the oven at 180C.
For the béchamel pour the olive oil in a saucepan. Once warm, add the flour. Stir and then add the salt, nutmeg and mustard. Slowly add the milk and start stirring.
Lower the temperature. Once you see that the béchamel thickens, add the cheese and mix until it melts. Pour the béchamel on the baking sheet. Bake for 35 minutes.
Allow the ograten to cool slightly for about 15 minutes and enjoy this perfect #zerofoodwaste food.