START TO FINISH: 20 minutes MAKES 4 servings • 13⁄4 cups water • 3⁄4 cup red lentils, rinsed and drained • 1⁄4 cup chopped onion • 1⁄2 teaspoon salt • 1⁄2 teaspoon ground cumin • 1 clove garlic, minced • 1 to 2 tablespoons snipped fresh cilantro • 4 tostada shells • 2...

























