Melt butter in a skillet.
Stir in onion, carrot, and celery.
Cook until tender.
Add meat and cook over low heat 10 to 15 minutes.
Add tomato sauce, wine, 1/4 cup broth, salt, and pepper; mix well.
Simmer about 1 1/4 hours.
Stir in ...
Melt butter in a skillet.
Stir in onion, carrot, and celery.
Cook until tender.
Add meat and cook over low heat 10 to 15 minutes.
Add tomato sauce, wine, 1/4 cup broth, salt, and pepper; mix well.
Simmer about 1 1/4 hours.
Stir in remaining broth, a small amount at a time, while the sauce is simmering.
Sauce should be thick.