Onion Jam – – sweet yellow onion (sliced), red onion (sliced), olive oil (to coat the bottom of the pan), brown sugar, agave syrup, red wine vinegar, salt and pepper (to taste), Heat the pan and add the olive oil. Add the sliced onion and sauté on medium heat for 15 minutes until soft and carmelized. ; Add the remaining ingredients and continue cooking on low heat for 15 minutes more. ; –