Pork Tenderloin with Creamy Marsala Sauce

Bahan-bahan (3 porsi)

• 1 tbsp olive oil
• 1 lb / 500g pork tenderloin ((Note 1))
• 2 tbsp butter ((salted or unsalted))
• 5 oz / 150g mushrooms (, sliced (I used Swiss Brown))
• 1/4 cup finely chopped shallots or onion
• 1 g arlic clove (, minced)
• 1 1/2 tbsp flour
• 1/2 cup / 125 ml marsala ((Note 2))
• 2 cups / 500 ml chicken broth (, low sodium)
• 5 tarragon leaves ((optional) (thyme is also lovely) (Note 3))
• 1/4 cup / 65 ml cream