Preheat waffle iron to manufacturer's directions
Place flour, baking powder, sugar, and salt in a bowl. Whisk to combine.
In a small bowl, mix egg yolks, milk, and melted butter. Set aside.
In a separate bowl, beat egg whites with a mixer on medium-high speed until stiff peaks form.
Add yolk mixture to the flour mixture and stir to combine. Fold in egg whites.
Drop large spoonfuls onto a greased waffle iron, close the lid and cook about 3-5 minutes.
When the waffles are done, lay them on a baking sheet. Spead ½ teaspoon Wak's Perfect Peach Jam over the waffles. Add a layer of Havarti cheese and place under the broiler for 1 minute to melt the cheese.
Spead ½ teaspoon mayonnaise over each waffle and add layers of ham and turkey.
Place two of the waffles together to make a sandwich.
Secure the waffle sandwich with two sandwich picks and cut them in half, diagonally making 8 triangles
Continue the process until all the batter is gone and sandwiches are made.
Serve with a dollop of Whipped Peach Honey Butter (Recipe in Notes)
Dust with ¼ cup powdered sugar for garnish
This recipe makes 8 full-size Belgium waffles.