In a large mixing bowl, cream butter, sugar and cream cheese on medium speed until creamed together.
Add the mashed banana and mix well.
Mix the flour, cornmeal, flax seed meal, baking powder, cinnamon and salt together. Set aside.
Mix the jam, almond milk and vanilla together. Set aside.
Add half of the flour mixture to the butter/sugar mixture. Mix well on low speed.
Add half of the jam mixture next and mix well.
Add the rest of the dry mixture and mix well.
Add the remaining jam mixture and mix well.
Mix in the nuts.
Spoon the mixture into the prepared pan. Spread out evenly.
Bake at 350° for 55 minutes.
Cool 10 minutes.
Turn out on a wire rack to cook completely.
Cut into 12 squares.
Sprinkle organic powdered sugar or over the tops with a sifter.
Store in airtight container.
IF FREEZING:After they have cooled you may freeze them in any of the methods shown in my article Preparing Food for the Freezer.They defrost quickly so it really doesn't take any planning. The microwave will also zap them in 20 seconds.