Spanish Rice

This was a recipe in the Larson Recipe Book, its my go to spanish rice recipe! I usually half this if it's just for Ry and I.
1 cup rice
2 tablespoons oil
1 small onion, diced
1 teaspoon red chili powder ) optional
1 8 oz can tomato sauce
4-tomato sauce cans water
4 chicken bouillon cubes
2 small or one large tomato, diced
Salt and pepper to taste
Suate rice and onion in oil, just until rice starts to get golden. Add chili powder now if using. Add tomato sauce, water, bouillon, and tomatoes. Bring to low boil, reduce heat and cover and simmer for 20 minutes.
Browning rice is essential and don't stir while simmering.