Cinnamon Bun Hamantaschen – The Wandering Chew

Ingredients

• 2 ¼ cups all-purpose flour, plus more for work surface
• ¾ teaspoons baking powder
• ½ teaspoon ground cinnamon
• ½ heaping teaspoon kosher salt
• ½ cup unsalted butter, room temperature
• ½ cup granulated sugar
• 1 large egg
• 1 ½ tsp vanilla extract
• 1 ½ tbsp milk (dairy or non-dairy)
• 1 egg, lightly beaten (this egg will be used to brush the hamantaschen rounds before shaping them)
• ⅔ cup light brown sugar
• 1 ½ tbsp ground cinnamon
• ¼ cup butter, melted
• ⅔ heaping cup powdered sugar
• 1 ¾ tablespoons heavy cream or milk
• ½ teaspoon vanilla extract or vanilla bean paste