Lemon mushroom caper sauce

1. In a saucepan heat the oil over medium heat. Add mushrooms, saute' 5 minutes, stirring frequently.
Add the garlic, stir, and saute' 1 minute, stirring frequently.
Add the starch slurry, stir to combine with mushrooms and garlic, and the chicken paste and water, continue to cook for another minute, stirring frequently.
In a measuring cup mix together the broth and lemon juice. Add to the mushroom mixture all at once, stirring constantly, and continue to stir until mixture thickens. You can save about 2 tablespoons of the broth mixture and add some at the end to adjust the thickness to what you prefer. Add pepper to taste.
Add the capers, and parsley. Stir to combine. Taste and add salt and/or pepper if needed.