Caramelized Onion Butter

Directions

1. 1
   Heat a medium-size, heavy saute pan over medium-low heat.
2. 2
   Add the oil and the onion and cook, stirring frequently, for 50 to 55 minutes, or until the onion is caramelized.
3. 3
   Let cool to room temperature.
4. 4
   Combine the caramelized onions, butter, and salt in a food processor and pulse until smooth.
5. 5
   Form into a log and refrigerate until firm before slicing and serving