Whisk together the egg and sugar until well combined.
1 large egg, 4 Tbsp sugar
In a saucepan or microwave melt unsalted butter. Add melted butter to whisked egg and sugar.
½ cup unsalted butter,
Whisk in milk and flour. Incorporate all together well, then form into a ball. Put in the freezer for 1 hour.
¼ cup milk, 2 cups flour
Preheat oven to 350F.
Place a sheet of parchment paper on a baking sheet.
Grate the dough. You will need to do a few batches. The grated dough should be spread evenly on the baking sheet without layering.
Bake for 10 minutes, and check them while baking so they don’t burn.
After you have grated and baked all the dough, add into a bowl with chopped walnuts.
2 cups walnuts
Add the can of cooked sweetened condensed milk.
1 can sweetened condensed milk,
Mix well.
You can just use your hands to shape into trees, or you can use a tulip glass.
In order for the trees to not fall apart, push hard making it all stick well. (Like rice crispies with marshmallows.)
You can make them big or bite size.
Dust with powdered sugar (optional).
1 Tbsp powdered sugar
Give them time to set, then enjoy!