Vegetarian enchiladas

Name: Vegetarian enchiladas
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Cuisine: Mexican
Ingredients: 4 flour tortillas; 1 bell pepper; 1 onion; 2 cloves garlic; 1 scallion; 1 chili; 14 oz canned black beans; 5.3 oz canned sweet corn; 14 oz canned crushed tomatoes; 1 tsp chili powder; 1 tsp smoked paprika powder; 0.5 tsp ground cumin; 0.4 cup vegetable broth; 0.5 cup cheddar cheese; salt; pepper; cilantro (for serving); sour cream (for serving); vegetable oil (for frying); vegetable oil (for greasing)