Process together flours, protein, and cold butter chopped into roughly 1" cubes
You will have a powdery mixture. Add your egg and 1 tsp milk and process again. Now you'll have a dough like texture
Place on beeswax wrap or plastic wrap and flatten dough into a disc, cover with wrap, and refrigerate 20 min+
Dust a surface with flour and roll out your dough
Use a pizza cutter to slice into 10 squares
Place 5 of those squares on a baking sheet lined with parchment paper
Make your fudge filling by melting ingredients together on stove or microwave, stirring every 20 seconds
Dollop marshmallow fluff in the center, and fudge next to it, leaving the edges bare of filling
Cover each square with remaining sqaures of dough
Crimp edges with a fork and vent with a few fork holes on top
Bake at 350 for 14-15 minutes until lightly golden
Allow to cool 10 min, then move to wire cooling rack
For the glaze, warm your coconut butter, and mix in remaining ingredients. You want it slightly drippy but not watery
Spread glaze overtop cooled pop tarts. Can enjoy right away, or refrigerate 20 minutes for the glaze to firm
Store in an airtight container in the fridge