Ingredients
Method
- Melt butter in a skillet over medium heat.
- Add sliced onions and salt, stirring to coat.
- Cook onions for about 30 minutes, stirring occasionally, until they are golden brown and caramelized.
- If desired, add sugar during the last few minutes of cooking.
Nutrition
Notes
Caramelized onions can be stored in the refrigerator for up to a week.
