Chicken Stew with cumin

2 (14.5-ounce) cans no-salt-added diced tomatoes, drained 1 1/2 cups fat-free, lower-sodium chicken broth, divided 1 onion, sliced 1 garlic clove, minced 1[...]

For sofrito : 1 1/4 cups coarsely chopped fresh cilantro 1/2 cup chopped green bell pepper 1/2 cup chopped onion 1/4 cup water 3 garlic cloves 2 teaspoons[...]