Chicken with Mushroom Madeira Sauce

Bahan-bahan (4 porsi)

• 16 ounces boneless chicken breast ((or more, if you'd like))
• kosher salt and freshly ground black pepper
• 1 tablespoon canola or vegetable oil
• 1 tablespoon unsalted butter
• 1 medium onion, (finely chopped)
• 8 ounces sliced fresh mushrooms
• ⅛ teaspoon dried thyme
• ¼ cup Madeira wine
• ¼ cup heavy whipping cream
• ¼ teaspoon salt
• ¼ teaspoon freshly ground black pepper