Serves 6-8

3 large apples (I used Honeycrisp and Fuji.)

4 tablespoons turbinado sugar, divided

1/2 cup (1 stick) unsalted butter + ~2 TB butter + more for pan

1 1/2 cup all purpose flour

1/2 teaspoon baking soda

1/4 teaspoon kosher salt

1 teaspoon cinnamon

1/2 teaspoon ground cloves

1/2 teaspoon ground allspice

1 teaspoon ground ginger (if you want more of a gingery kick; optional)

3/4 cups brown sugar

2 large eggs

1 tablespoon lemon zest

1 tablespoon grated fresh ginger (I peeled a 2 inch piece and grated it with a microplane grater)

1 tablespoon molasses

3 tablespoons dark rum

1 teaspoon vanilla extract

1/4 cup milk

1/2 cup plain Greek yogurt

10 walnut halves