Potato Poblano Flautas

Name: Potato Poblano Flautas
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: American, Mexican, Latin American
Ingredients: 1 pound yellow potatoes; 1 tablespoon vegetable oil; 1 poblano pepper, diced; 1 onion, diced; Salt and pepper; 2 teaspoons cumin; 3 butter pats; 2 tablespoons milk; 1/2 cup sour cream; 15 (6-inch) corn tortillas; 1 butter pat; 1 tablespoon vegetable oil; 1 jalapeño, seeded and diced; 1 can diced tomatoes; Salt and pepper, to taste; 1 1/2 cups milk; 2 cups sharp cheddar cheese, shredded; 2 tablespoons all-purpose flour; 2 tablespoons chopped cilantro