In a large skillet, heat 2 tablespoons of olive oil over medium-high heat.
Add onion and bell peppers, and season with salt and pepper.
Cook for about 10 minutes, until onions and peppers are soft and cooked.
Add black beans and stir to combine, cooking another 1-2 minutes until they are warm.
Remove vegetable mixture from skillet.
Add remaining 2 tablespoons of olive oil over medium-high heat.Recipe by Greens & Chocolate