Heat the oil in a large skillet or saucepan over medium heat. You’ll know the oil is ready when it shimmers slightly. Add the chopped onion and cook, stirring occasionally with a wooden spoon or spatula, for about 3-4 minutes. You want the onions to become soft and translucent (slightly see-through). Now, add the minced garlic and cook for another 30-60 seconds, stirring constantly until it’s fragrant. Be careful not to let the garlic burn, as it can become bitter.
Sprinkle the chili powder, cumin, salt, and pepper directly into the pan with the onions and garlic. Stir continuously for about 1 minute. This technique, called “blooming,” toasts the spices in the hot oil, which unlocks their essential oils and makes their flavor much deeper and more intense. You’ll notice the kitchen will start to smell amazing!
Add the 3 cups of cooked, cooled brown rice and the rinsed pinto beans to the skillet. Use your spatula to gently break up any clumps of rice and mix everything together thoroughly, ensuring the rice and beans are evenly coated with the spices. Continue cooking, stirring occasionally, for 3-5 minutes, until everything is heated through.
This is the most important step! Take a spoonful and taste it. Does it need more salt? A little more chili powder for heat? Now is the time to adjust. Serve warm and enjoy!