Check out this recipe from Farmland.
Farmland
Grilled Ham and Cheese Waffle Sandwiches
Sliced ham, Swiss cheese, and arugula sandwiched between cheesy toasted waffles are grilled until melty make a delicious twist on a classic sandwich.
Prep Time20 mins.
DifficultyEasy
Serves4
Ingredients
1 cup of all-purpose flour
1 tablespoon of sugar
1 tablespoon of chopped fresh basil
1 1/2 teaspoons of baking powder
1/4 teaspoon of salt
1 egg, lightly beaten
1 cup of milk
1/2 cup of shredded Swiss cheese (2 ounces)
1/4 cup of vegetable oil
2 tablespoons of Dijon-style mustard
1 16-ounce of package Farmland┬« Deli Style Sliced Ham
4 slices of Swiss cheese
1/2 cup of arugula or spinach leaves
2 tablespoons of butter
Directions
1. In a medium bowl stir together the flour, sugar, basil, baking powder, and salt. Add egg, milk, shredded cheese, and oil. Stir just until moistened. Add batter to a preheated, lightly greased waffle iron and bake according to manufacturer's directions. When done, use a fork to lift waffle off waffle iron. Repeat with remaining batter. You should have 8 4-inch waffles.
2. For each sandwich, spread waffles with mustard. Layer ham, sliced cheese, and arugula on half of the waffles. Top with remaining waffles, spread side down. 
3. Heat a griddle or 12-inch skillet over medium heat. Add butter until melted. Add sandwiches. Cook for 4 minutes or until cheese is melted, turning once.