01 - Preheat oven to 350°F and line a baking sheet with parchment paper.
02 - In a large bowl, combine oat flour, protein powder, almond flour, coconut sugar, and salt.
03 - Add Greek yogurt, almond milk, melted coconut oil, and egg. Stir until a soft dough forms. Add more almond milk if needed to bring dough together.
04 - Place dough between two sheets of parchment paper and roll out to 1/4 inch thickness.
05 - Cut into 12 rectangles, approximately 3x4 inches each.
06 - Place 6 rectangles on prepared baking sheet. Spoon 1 tablespoon of jam onto the center of each. Optionally mix protein powder into the jam for extra protein.
07 - Top with remaining rectangles. Press edges with a fork to seal securely.
08 - Bake for 13–15 minutes, until slightly golden. Allow to cool completely.
09 - Whisk powdered erythritol, almond milk, and vanilla extract until smooth.
10 - Drizzle icing over cooled pop tarts. Let set for 5 minutes before serving.