Bolognese Meat Sauce with White Wine

Ingredients
1 tbsp vegetable oil
3 tbsp butter
½ cup chopped onion
2/3 chopped celery
2/3 chopped carrot
¾ lb ground beef
salt
black pepper
¼ heavy cream
1 cup dry white wine
1 cup diced tomatoes
Preaparation
Put the oil, butter and chopped onion in a pot, cook and stir the onion until it becomes translucent, then add the celery and carrot.
Add the ground beef, salt, pepper, stir well until its change the color.
Add the heavy cream and let it simmer slowly, then add the wine and let it simmer until it has evaporated, then add the tomatoes and stir thoroughly to coat all ingredients.This sauce is great to be serve with 1 ½ pasta, and serve with freshly grated Parmesan cheese.