Prep Ingredients: Slice onion and gather all ingredients.
Cook Onion and Rice: Heat oil in a large pan, cook onion, then add rice, stirring until golden brown.
Add Seasonings: Mix water with garlic powder, cumin, and tomato sauce.
Combine and Simmer: Add the water mixture to the toasted rice, cover, and cook.
Finish Cooking: After 10 minutes, add salt and cilantro, then simmer until rice is tender.