Oxtail croquettes with Thermomix

Preparation

1. When you have gathered all those ingredients, follow the steps below:
2. Add the butter to the glass and program to
3. speed 1 / 100º / 3 minutes.
4. Then add the flour and program at
5. speed 1 / 100º / 3 minutes.
6. Add the milk and put the robot to work
7. speed 4 / 100º / 6 minutes.
8. When in the previous step there are two minutes to finish, add the salt, pepper and nutmeg as well as the onion. Also, when there are 30 seconds to go, throw in half the oxtail.
9. Add the rest of the oxtail and cook
10. speed 3 / turn left / 1 minute.
11. Pour the dough into a container or tray and let it cool completely in the refrigerator. It is recommended that it rest for several hours.
12. After that time, with the dough, shape the croquettes and pass them through beaten egg and breadcrumbs. All that remains is to fry them.