Black Bean Soup with Cumin

Name: Black Bean Soup with Cumin
Ingredients: 2 cups dried black beans, washed and picked over; 8 cups water; 1/4 cup olive oil or 4 tablespoons unsalted butter; 2 large onions, diced; 6 garlic cloves, minced or pureed; 1 large jalapeno chile, stemmed, seeded, if desired and finely chopped; 2 teaspoons salt; 6 cups vegetable stock; 1 1/2 cups Salsa Fresca for garnish, recipe to follow; 1 cup Crema, recipe to follow, creme fraiche or sour cream, for garnish; 2 tablespoons ground cumin; 4 medium ripe tomatoes, cored, seeded, and finely diced; 1/4 red onion, minced; 2 jalapeno chiles, stemmed, seeded, if desired and minced; 1 bunch cilantro, leaves only, chopped; 2 tablespoons lime juice; 3/4 teaspoon salt; Pinch of freshly ground pepper; 2 cups heavy cream; 1/4 cup buttermilk