Add oil, butter and onions to a large skillet set over medium heat. Cook, stirring often, until onions have softened and are translucent. Add garlic and cook 30 seconds. Add can of tomatoes with juice, salt, pepper, cumin, paprika and chili powder. Stir and cook 1 minute. Remove from heat.
1 tbsp olive oil, 1 tbsp unsalted butter, ½ yellow onion, 1 clove garlic, 1 can diced tomatoes with green chiles with juice, ½ tsp kosher salt, ½ tsp ground black pepper, ½ tsp ground cumin, ¼ tsp smoked paprika, ½ tsp chili powder
When the rice is cooked, add the onion mixture, cheese, chipotle pepper (if using), cilantro and lime juice. Stir well and serve.
½ cup Mexican cheese blend , 1 chipotle pepper in adobo sauce, juice of ½ lime, ¼ cup chopped fresh cilantro plus more for garnish