Spanish onions or others that are large and of even size
1 - For this use, choose Spanish onions or others that are large and of even size
2 - Wipe them and leave them unpeeled.
3 - Let them bake in a baking dish until tender (about 1 hour), then take out the roots and remove the peel.
4 - Put them back into the dish, and after adding melted butter, salt and pepper, place them in the oven
a few minutes before serving