Veggies get in on the grilled cheese action with this gooey Kale and Caramelized Onion Grilled Cheese sandwich.
Serves 4 (serving size: 1 sandwich)
1. Preheat oven to 300°.
2. Bring a small pot of water to a boil; add kale. Remove from heat; let stand 4 minutes or until kale is bright green. Drain; rinse kale under cold water until cool. Pat leaves dry.
3. Heat a skillet over medium-high heat. Add oil; swirl to coat. Add onion, pepper, and salt. Cook 10 minutes or until onion is tender and browned, stirring frequently. Remove from heat; stir in vinegar, tossing to coat. Coarsely chop onion.
4. Heat a large nonstick skillet over medium heat. Lightly coat 1 side of each bread slice with cooking spray. Working with 2 slices at a time, arrange bread in pan, sprayed side down. Cook 1 1/2 minutes or until bread begins to brown. Sprinkle 1 tablespoon Parmesan on 1 bread slice in pan. Top with 1 kale leaf, one-fourth of onion mixture, and about 1/4 cup raclette. Top with other toasted bread slice. Transfer sandwich to a baking sheet. Repeat procedure with remaining 6 bread slices, Parmesan, 3 kale leaves, onion mixture, and raclette. Bake sandwiches at 300° for 5 minutes or until cheese melts.