Brown beef and potatoes in a large skillet. Add tomatoes, onions and bell peppers and cook until all are fully cooked, about 10 minutes. Add broth, Salsa Verde, tomato sauce, garlic, black pepper and cumin, then add salt to taste. Let simmer for 20 minutes.
Add tomatillos, onions, serrano and 2 cups water to a saucepot. Bring to a boil and cook until all vegetables are cooked, about 15 minutes. Place mixture in a blender, then add fresh cilantro and salt and blend well.
Cook's Note: For a spicy version, add your favorite fresh hot peppers. Accompany with your favorite corn or flour tortillas.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.