Preheat your oven to 350℉
Place the eggs and sugar in a bowl and whisk vigorously for 2 minutes.
Add the melted and cooled butter and whisk until the ingredients are combined and the mixture is smooth.
In a seperate bowl, whisk together 180 grams of flour, baking powder and salt.
Add the dry ingredients to the wet ingredients and fold in with a large rubber spatula.
Divide the dough into 3 equal portions.
1st dough: add cocoa powder and chocolate.
2nd dough: add pistachios, 1 tablespoon of flour and green food coloring.
3rd dough: add cherries, cherry syrup, 2 tablespoons of flour and pink food coloring.
Starting with the chocolate dough spread the dough about 14" long and 1" wide. Do the same with the cherry dough next to and touching the chocolate dough and finish with the pistachio next to the cherry dough.
Using an off set spatula, smooth the dough until you have a rectangle of dough 14" x 3".
Bake for 22-24 minutes, or until the loaf is firm.
Remove from the oven and allow to cool for 10 - 15 minutes.
Reduce oven temperature to 250℉.
Slice the loaf on a diagonal about 1/3" thick. Place the cookies cut side down on the parchment lined pan and bake for 30 minutes. Flip the cookies and bake an additional 30 minutes.
Remove from the oven and place the cookies directly on a cooking rack and allow to completely cool, They will crisp up as they cool.