This is a one-step soup that is both delicious and nourishing. For your child's school lunch, pack it in a stainless steel heatproof container and include a small container of grated Monterey Jack cheese or tortilla chips.
I love sending my kids off to school with lunch in a thermos, especially on a cold day.”
Pour the water in a blender followed by the black beans, yogurt, scallions, salsa, cumin and salt. Blend until silky smooth.
Pour into a saucepan and set over medium heat. When it is heated through, pour into stainless steel heatproof containers and cover tightly.