Bean Burritos

Name: Bean Burritos
Ingredients: 3/4 cup rice (brown or white); 2 tablespoons olive oil; 2 medium onions, chopped; 4 garlic cloves, chopped; 1 jalapeno chile, chopped (ribs and seeds removed, for less heat); 1/2 teaspoon ground cumin; Coarse salt and ground pepper; 3 tablespoons tomato paste; 3 cans (15 ounces each) pinto beans, drained and rinsed; 1 bag frozen corn kernels (10 ounces); 6 scallions, thinly sliced; 8 burrito-size flour tortillas, 10 inches each; 2 cups (8 ounces) shredded Monterey Jack cheese; Salsa and sour cream, optional