Ingredients for 1 person:
-3-4 ounces of beef (cut into cubes)
-1 tablespoon of olive oil
-1/2 small onion, diced
-1/2 cup of mushrooms, sliced
-1 garlic clove, minced
-1/2 teaspoon of dried thyme
-2 tablespoons of balsamic vinegar
-Salt and pepper as needed