Peruvian Lomo Saltado (stir-fry)

INGREDIENTS: 

1.5 lbs frozen french fries
2 T vegetable oil
2 cloves of garlic
1/2 teaspoon ground cumin
1 lb beef tenderloin
2 red onions, sliced thinly into slivers
3 tablespoons soy sauce
1-2 jalapeno peppers thinly sliced
2 T vinegar
2 red peppers, sliced into thin strips
2 plum tomatoes, sliced into thin strips
Salt and pepper to taste
Precooked rice

INSTRUCTIONS:

Bake french fries according to directions. 
Cut beef into thin 1/2 inch strips.
Saute crushed garlic and cumin in vegetable oil for 1 minute.
Add beef and cook until browned on all sides.
Remove beef from heat and set aside.
Add onions and pepper to the same pan and cook 2-3 minutes, until the onions are soft, adding vegetable oil if needed.
Add the vinegar, soy sauce, and red peppers and cook 2-3 more minutes.
Add beef and tomatoes and heat for 2 minutes.
Serve over rice and french fries.