Ingredients
Instructions
- Melt the butter and olive oil together in a frying pan and add the mushrooms and onions; let them cook slowly, over medium heat, until the mushrooms are getting a little brown and the onions are nice and soft, about 20 minutes.
- While there's still some moisture left from the mushrooms, add the Worcestershire sauce and garlic salt.
- The mixture will thicken and it's ready to serve.
- Serve with grilled steak and use leftovers for omelets.
- Makes 4 servings if served with steak.