Spanish Steak With Onions - cooking recipe

Ingredients

1 lb. London broil or rump roast (slice very thin)
4 crushed garlic cloves
1/8 c. vinegar
1/4 c. olive oil
1 Tbsp. oregano
1 tsp. black pepper
1 Tbsp. salt
1 envelope Sason (optional)
1 can tomato sauce
1 large Spanish onion, sliced thin

Preparation

Mix garlic, vinegar, oil, oregano, black pepper, salt and Sason in bowl until mixed well.
Add already-sliced steaks; mix well.
Cover and refrigerate overnight, if possible, or at least 2 to 4 hours.