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Caramelized Onion and 'Shroom Sauce

Servings 1 /2 to 3/4 cup


  • 2 tbsp olive oil
  • 1 lg onion sliced
  • 1 tsp salt
  • 10-12 baby portabella mushrooms sliced
  • 2 tbsp beef stock or broth
  • 1 tbsp butter
  • 1 tbsp flour
  • 1/2 - 3/4 C beef stock
  • 1 tbsp balsamic vinegar
  • salt and fresh ground pepper to taste


  • Heat the olive oil in a saute' pan or skillet on medium heat. Add the onion and cook for 5 minutes. Add the salt and 2 tbsp of beef stock.
  • Continue cooking until the onion softens and becomes browned. (about 20 min, adjust heat if needed) We don't want to burn the onion, so lower the heat if it starts sizzling too much.
  • Add mushrooms and cook until they are browned.
  • Remove onion and mushrooms and set aside.
  • Return pan to medium heat and add the butter and flour. Cook for one minute.
  • Add 1/2 C beef stock and turn heat up to med/hi. Stir constantly for one minute. Add a little more stock if the gravy is too thick.
  • Once the desired thickness is achieved, stir in the balsamic vinegar. Salt and pepper to taste.
  • Add the onions back to the pan and heat through.
  • Serve as a topping for your favorite sandwich or burger.


Recipe by : Connie Murray @ happybellyfoodie.com