Coconut pineapple upside down cake

Directions1Preheat oven to 350 degrees and spray 2 (8 inch) round cake pans with cooking spray.
2With an electric mixer, beat cake mix, eggs, oil, water, and sour cream on low until combined. Beat on high for 2 minutes.
3Place banana slices evenly on the bottom of the two cake pans.
4In a small saucepan melt butter. Add brown sugar and lemon juice and heat until dissolved. Pour half of the brown sugar mixture into each of the 2 round cake pans over the bananas. Sprinkle coconut over brown sugar sauce.
5Pour cake batter on top of the coconut into the two pans, dividing equally.
6Bake 35-40 minutes or until toothpick in the center comes out clean. Remove from oven and let sit for 5 minutes. Invert onto serving dishes. Slice to serve.