Bolognese Sauce

I found this recipe at http://bellavita-bellasblog.blogspot.com/

Bolognese Sauce:.
2 Tbsp. chopped onion

3 Tbsp. olive oil

3 Tbsp. butter or 3 more Tbsp olive oil instead
2 Tbsp. chopped celery
2 Tbsp. chopped carrot
3/4 lb. lean ground beef/chuck
salt and pepper (to taste)
1/4 cup red wine
2 cups good quality canned Italian tomatoes, chopped, with juice
Chopped basil or Italian parsley to taste preference

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Servings: 4 (so double, triple, etc. to your desired amount, which can be frozen!)

What you need to do to prepare the Bolognese Sauce:

In a very deep, heavy, enameled cast-iron pot, put in the oil and butter.
When heated (don't burn these!), saute' the onion over medium heat until translucent.
Add the celery and carrot and cook gently for about 5 minutes.
Add the ground beef, crumbling it in the pot with a large wooden spoon.
Sprinkle a little salt and pepper into the pot.
Cook until browned.
Add the wine and turn up the heat to medium high.
Cook until the wine is evaporated.
Add the tomatoes and stir thoroughly.
Cook until the sauce begins to boil and then turn the heat down to the lowest simmer possible.
Cook, on this very low temperature for about 3 - 4 hours, stirring occasionally.
Tasting along the way and adding any more salt, pepper, or favorite herb (basil, Italian parsley, etc.) to your preference.
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Serve on top or blended in to your favorite pasta shape.