Smoky Black Bean Soup

1 (15-ounce) can black beans, rinsed and drained
1 cup water
1 (14.5-ounce) can fire-roasted diced tomatoes, undrained
1/2 cup chipotle salsa
1 teaspoon ground cumin
Reduced-fat sour cream (optional)
Avocado-Lime Salsa (see recipe below)

Place beans in a medium saucepan. Mash beans slightly with a potato masher. Stir in water and next 3 ingredients. Cover and bring to a boil over high heat; reduce heat, and simmer 8 minutes. Uncover, and cook 2 minutes or until soup is slightly thickened. Ladle soup evenly into each of 4 bowls; top evenly with Avocado-Lime Salsa, and, if desired, sour cream. Yield: 4 servings (serving size: 1 cup soup and 1/4 cup salsa).

Avocado-Lime Salsa
1 cup diced peeled avocado
1 lime
2 tablespoons finely chopped fresh cilantro
1/8 teaspoon salt

Place avocado in a small bowl. Grate rind from lime and squeeze juice to measure 1/2 teaspoon and 1 tablespoon, respectively; add to avocado. Add cilantro and salt. Toss gently. Yield: 1 cup (serving size: 1/4 cup).