Strawberry Poptart Sheet Cake

Steps

1. 1. In a blender or food processor, process the freeze-dried strawberries into a fine powder. You need 1/2 cup powder for the cake.2. Preheat the oven to 350° F. Line a 9×13 inch baking dish with parchment paper.3. In a large bowl, beat together the melted butter, yogurt, eggs, sugar, strawberry jam, and vanilla. Add the flour, baking powder, baking soda, and salt. Add about 1/2 cup of the strawberry powder (save the remainder for the frosting). Mix until just combined, then slowly beat in the milk until fully combined.4. Pour the batter into the prepared pan. Bake for 30-35 minutes until the top is just set and no longer wiggly in the center. Remove and let cool.5. To make the frosting: mix all ingredients in a bowl with 3-4 tablespoons of strawberry powder. Stream in additional hot milk until your desired consistency is reached, you may not use it all.6. Pour/spread the frosting over the cake. Decorate as desired. Let set. Slice into squares and enjoy!