1 lb beef tenderloin or 1 lb boneless sirloin |
1 red onion (thinly sliced) |
1/2 tablespoon butter |
2 tomatoes (seeded, sliced) |
1 bunch rosemary or 2 teaspoons dried rosemary |
2 green onions (chopped) or 2 scallions (chopped) |
2 garlic cloves (mashed) |
1/2 teaspoon garlic powder |
2 tablespoons extra virgin olive oil or 2 tablespoons vegetable oil |
2 teaspoons chili powder (berbere) |
1 tablespoon sherry wine (optional) or 1 tablespoon red wine (optional) |
1/4 teaspoon italian spices |
1 hot green pepper (seeded and sliced) |
salt and black pepper |