3/4 cup butter, softened (divided)
3/4 cup light brown sugar
1 tablespoon honey
4 large plums, cut into segments
1 1/2 cups flour
2 teaspoons baking powder
1/8 teaspoon cinnamon
1/8 teaspoon nutmeg
1/4 teaspoon salt
3/4 cup white sugar
1/2 teaspoon vanilla extract
1/4 teaspoon almond extract
1/2 cup milk
Preheat oven to 350F. Grease a 9-in pan with 2-in sides.
In a skillet melt HALF the butter with honey and sugar over medium heat, stirring until smooth sauce forms. Pour sauce into prepared cake pan, arrange plum segments on top.
Mix flour, baking powder, spices and salt in a medium bowl, set aside. With a mixer, whip remaining butter and sugar until creamy. Add eggs and both extracts and whip until white and fluffy. Add 1/3 flour mixture, mix until just blended. Add 1/2 milk, then 1/3 flour, the rest of milk and flour, mixing until just combined.
Pour batter over plums, bake until golden, about 1 hr. Let cool in pan for about 15 min, run a knife around the edges and carefully invert onto serving platter.