Lomo Saltado

1 medium red onion
1 large tomato
1 lb beef
1 spoonful chopped garlic
1 T red vinegar
1 T soy sauce
1/2 bunch green onions
salt and pepper to taste
french fries (3 cups frozen or 3 cartons from fast food restaurant)

Cut beef in to bite sized strips. Salt and pepper. Slice onions and tomato. Chop green onions. Brown garlic in oil in a large skillet. Immediately add meat and cook quickly on high. Add sliced onion and tomato. Cook until tomatoes start to break down slightly. Add 1 T red vinegar and 1 T soy sauce. Add chopped green onions. Serve over french fries with rice.