Black Bean Soup with Tomato-Tomatillo Salsa

Ingredients

• dried black beans
  1 pound
• vegetable oil
  2 tablespoons
• onions

  finely diced
  2 large
• garlic

  minced
  4 to 6 cloves
• cold water
  6 cups
• peeled

  seeded and chopped tomato (fresh or canned)
  1 cup
• sprig fresh or dried epazote (optional)
  1 Small
• finely chopped canned chipotle chile (or ¼ teaspoon cayenne pepper

  more to taste)
  1 tablespoon
• ground cumin seed
  1 teaspoon
• ground coriander
  1 teaspoon
• salt
  2 teaspoons
• tomato

  finely diced
  1 large
• tomatillos

  husks removed and finely diced
  3 medium
• red onion

  very finely diced
  1 small
• serranos or jalopeño chile

  very finely diced
  1 unit
• roughly chopped fresh cilantro leaves
  ¼ cup
• Salt

  to taste
  1 unit
• Crème fraîche or sour cream

  for garnish
  1 unit