2 tbsp vegetable oil 4 tbsp butter 1 onion, finely sliced 1 red bell pepper, seeded and chopped 1 green bell pepper, seeded and chopped 6oz (175g) white mushrooms, sliced 2 tbsp all-purpose flour salt and freshly ground black pepper 2 cups whole milk, heated 3–4 cups diced cooked turkey sweet paprika, for garnish
1 Heat the oil and butter in a large pan over medium heat. Add the onion and red and green peppers and cook, stirring occasionally, until softened, about 5 minutes. Add the mushrooms and cook until they soften, about 5 minutes more.
2 Sprinkle in the flour. Stir in the milk and cook, stirring constantly, until the sauce is boiling and thickened. Season with salt and pepper to taste.
3 Stir in the turkey and simmer for about 5 minutes, stirring occasionally, until the turkey is heated through. Sprinkle with the paprika and serve hot.