Baked calçots

Calçot is a type of onion, but smoother, that perfectly combines with romescu sauce
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1. Clean the onions, one by one, removing top layers with soil and cut a part of the tail. (this is gonna be the only work)
2. Preheat the oven
3. In a dish from the oven, we put the onions.   
4. Put a pinch of salt and pepper and a splash of oil.  
5. In the option for low and warm up oven at 190 degrees, take care that they don't burn, and leave about 30 minutes or so until they are cooked.That will be,when you see they are soft and a little burnt out.