• Preheat air fryer to 350
• Grease and flour two 7" pans
• Mash banana and add lemon juice, set aside.
  1/2 cup mashed banana, 1/2 tsp lemon juice
• Beat together butter, brown and white sugar until combined with hand mixer
  1/4 cup packed brown sugar, 1/3 cup white sugar, 4 tbsp softened butter
• Add in egg and vanilla and mix on high until light & fluffy (almost the texture of frosting). Set aside.
  1 egg, 1/2 tsp vanilla
• In a separate bowl, combine flour, baking soda, cinnamon and salt in a medium bowl.
  1 cup all purpose flour, 1/2 tsp baking soda, 1/2 tsp baking powder, 1/4 tsp salt, 1/2 tsp cinnamon
• Alternate adding flour mixture and buttermilk to sugar/egg batter. Mix on medium setting just until combined
  1/2 cup buttermilk
• Fold in bananas and pour into pans
• Sprinkle walnuts on top of both cakes
  2 tbsp chopped walnuts
• Put into air fryer and reduce heat to 300 degrees. Bake 20 minutes or until toothpick inserted in center comes out clean. (do not overbake - check at 15-17 min)
• Remove from oven and place in freezer for 45 minutes. This helps keep the cake extra moist!

Frosting

• Cream together butter & cream cheese until fluffy.
  4 oz cream cheese, 4 tbsp butter
• Add in vanilla, lemon zest & juice
  1/2 tsp lemon juice, 1/2 tsp lemon zest, 1/2 tsp vanilla
• Add powdered sugar a little at a time until you reach desired consistency
  1 1/2 cups powdered sugar
• Spread over cooled cake and layer!