Glazed Honeycrisp Apple Fritter Cake

1. Preheat oven to 350° F.  Line a 9×9 inch baking dish with parchment paper.
2. In a large bowl, stir together the butter, brown sugar, apple butter, yogurt, eggs, and vanilla, until combined. Add the flour, cinnamon, baking powder, baking soda, and salt. Mix until just combined. 
3. To make the apple mix. In a bowl, combine the chopped apples, brown sugar, cinnamon, and vanilla. 
4. Spread half the batter evenly into the prepared dish. Spoon over about 1/2 of the apples, then cover the apples with the remaining batter. Top with the remaining apples and any juices left in the bowl. 
5. Bake for 55-60 minutes, until just set. Let cool for 10 minutes.
6. Meanwhile, make the glaze. Whisk all ingredients in a bowl, adding milk as needed to thin. Drizzle the glaze over the cake. Sprinkle with sea salt. Serve the cake warm or at room temperature. enjoyI