Spanish-Style Steak

Ingredients

• 1 round steak
• 1/4 to 1/2 c. olive oil
• 1/4 to 1/2 c. vinegar
• 1/2 c. water
• 1 tsp. oregano
• 3 cloves garlic, freshly ground
• 1/2 tsp. black pepper
• 1 tsp. oregano
• 1/2 tsp. cumin
• 1 tsp. salt
• 1 large onion
• 1 green pepper