Mexican Rice

1-1/2 tsp vegetable oil
1/2 small onion, diced
2/3 cup uncooked long grain rice
1/2 tsp ground cumin
1/2 tsp chili powder
3 ounces canned diced tomatoes
1 tsp salt
1-1/2 cups water

In a large saucepan, heat oil over medium heat.  Stir in onion and saute until translucent.  Pour the rice into the pan and stir to coat grains with oil.  Mix in cumin, chili powder, tomatoes, salt and water.  Cover, bring to a boil then reduce heat to low.  Cook at a simmer for 20 to 30 minutes or until rice is tender.  Stir occasionally.