Colombian Carne Bistec - Colombian Steak with Onions and Tomatoes

Bahan-bahan (6 porsi)

• 1 -1/2 lbs sirloin tip steak (sliced very thin)
• kosher salt to taste
• 1/2 teaspoon garlic powder
• 1/2 teaspoon cumin
• 4 tsp olive oil
• 1 medium onion (sliced thin or chopped)
• 1 very large tomato or 2 medium tomatoes (sliced thin or chopped)
• cooked rice and fried eggs (optional for serving)