PREP: 20 minutes BAKE: 10 minutes OVEN: 350°F MAKES 4 servings 8 7- or 8-inch flour tortillas 1 cup chopped onion (1 large) 1 tablespoon vegetable oil 1 16-ounce can refried beans 1 cup shredded cheddar cheese (4 ounces) 1 cup shredded lettuce 1⁄3 cup salsa Sour cream...
