Caramelized Onion Marmalade
Sweet and buttery, this onion marmalade is not only easy to make, it is bursting with flavour.
Servings: 800 ml
Equipment
- Large heavy bottomed pot
Ingredients
- 5 pounds onions, white or yellow
- ½ cup butter, more may be needed, see notes
- 1 head of garlic. minced
- 2 tsp sea salt
- 1 tsp pepper
- ½ cup balsamic vinegar
Instructions
- Peel and slice onion, about ¼-inch thick.
- Heat a heavy-bottomed pot over medium heat.
- Melt butter.
- Add sliced onions, garlic, salt and pepper.
- Cook, stirring occasionally until onions are soft and caramelized, about 15 minutes. Add more butter if needed.
- Add balsamic vinegar and cook, stirring for an additional 5 minutes to allow the vinegar to cook down slightly.
- Remove from heat and allow to cool before storing in a covered container or jar in the fridge for up to one month.
Notes
Additional butter may be needed if the onions soak up all the butter. Add butter, a tablespoon at a time, if needed.