Steps
1. In a skillet, heat the olive oil over medium heat.
2. Add the diced onion and bell pepper, sautéing until softened, about 3-4 minutes.
3. Stir in the minced garlic, cumin, and chili powder, cooking for an additional minute.
4. Add the cooked black beans and quinoa to the skillet, mixing well to combine. Season with salt and pepper to taste.
5. Cook for another 2-3 minutes until heated through.
6. Serve in a bowl, garnished with fresh cilantro.