Steak San Marco - cooking recipe

Ingredients

2 lbs chuck steaks, cut into serving pieces.
1 envelope onion soup mix (I use Lipton's)
1 (16 ounce) can peeled Italian tomatoes
1 teaspoon oregano
garlic powder, to taste (or garlic clove, chopped fine)
pepper, to taste
2 tablespoons cooking oil (I prefer olive oil)
2 tablespoons wine vinegar

Preparation

In a large skillet, arrange meat.
Cover with other ingredients.
Simmer covered 1 and 1/2 hours or until meat is tender.