Serve this easy side dish with our Vegetable Burritos.
In a medium saucepan, heat oil over medium heat. Add scallions and garlic; cook until fragrant, about 1 minute. Add green chiles, black beans, and water.
Raise heat; bring to a boil. Reduce to a simmer; cook until thickened, stirring occasionally, about 10 minutes. Stir in salsa until heated through. Season with salt and pepper.