Pork Stroganoff with Mushrooms and Creamy Tarragon Sauce

Name: Pork Stroganoff with Mushrooms and Creamy Tarragon Sauce
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Yield: 4
Ingredients: 2 tbsp butter; leek as needed; 230 g mushrooms; 500 g pork; 1 tbsp olive oil; 1 tsp sweet paprika; 40 ml white wine; 150 ml whipping cream; 3 tbsp sour cream; 2 tsp Dijon mustard; 2 tbsp tarragon; salt as needed; pepper as needed