Salsa Marinated Chicken with Mexican Rice

Name: Salsa Marinated Chicken with Mexican Rice
Ingredients: 4 large plum tomatoes; 1 small yellow or red onion; 2 to 3 cloves garlic, grated or made into a paste; 1 Fresno chile pepper, thinly sliced; 1 jalapeno chile pepper, finely chopped; Generous handful of fresh cilantro leaves, chopped; Salt; About 1/3 cup EVOO; 2 pounds skinless, boneless chicken breasts or thighs; Freshly ground pepper; 2 tablespoons butter; 1 cup long-grain white rice; 2 cups chicken stock; 1 can black beans or vegetarian spicy refried beans; 1/2 teaspoon ground cumin; 1 lime