In a small saucepan melt 6 Tbsp.
Stir in brown sugar and honey; bring just to boiling, stirring until sugar is dissolved.
Spread in a 9-inch square baking pan.
Credit: Jason Donnelly
Thinly slice plum halves; arrange on sauce in pan.
Sprinkle almonds over plums.
In a bowl stir together flour, almond meal, baking powder, baking soda, and 1/2 tsp.
In a large bowl beat 1/2 cup butter on medium 30 seconds.
Gradually add granulated sugar, 1/4 cup at a time, beating on medium until combined.
Scrape bowl; beat 2 minutes more.
Add eggs one at a time, beating after each until combined.
Beat in sour cream, vanilla, and almond extract.
Add flour mixture; beat just until combined.
Spread batter over plums in pan.
Bake 40 minutes or until a toothpick comes out clean and center is set.
Let cool in pan 15 minutes.
Loosen sides of cake; invert onto serving plate.
Let cool 15 minutes more.
2,000 calories a day is used for general nutrition advice.