Banana Walnut Upside Down Cake

we like this served warm with whipped cream..husband likes his with ice cream...

• Ready In: 45 mins
• Serves: 6

Ingredients

• 1⁄4 cup walnuts, chopped, toasted
• 1  cup brown sugar, packed
• 1⁄4 cup  tbsps butter, softened
• 6  tablespoons butter, softened
• 3  tablespoons pure maple syrup
• 1⁄2 teaspoon vanilla, extact
• 6  tablespoons milk
• 4  large  ripe bananas, sliced
• 1  cup flour
• 2  teaspoons baking powder
• 1  teaspoon cinnamon
• 1⁄4 teaspoon salt
• 3⁄4 cup sugar
• 1  large egg

Directions

1. toast walnuts.set aside to cool.
2. combine brown sugar and 1/4 cup butter in heavy pan -- stir over low heat till butter melts -- and ingredients are well blended.
3. pour into a 9" cake pan with 2" high sides --
4. spead to coat the bottom of the pan --
5. pour maple syrup over sugar mixture --
6. sprinkle walnuts evenly over this.
7. place banana slices in circles over the nuts, overlapping slightly, and covering the bottom --
8. whisk dry ingredients to blend --
9. in another bowl, beat sugar and butter in bowl and add to dry ingredients alternately with milk.
10. spoon batter over bananas and bake for approximately 30 minutes --
11. run a butter knife around sides --
12. cool on rack for about 30 minutes.
13. invert onto serving plate.leave pan on about 3 minutes.
14. life off pan --
15. serve warm with whipped topping if desired.