1. Preheat oven to 350 degrees. Grease a 13X9 Inch Pan. 2. Make Yellow Cake Mix according to instructions on the box. 3. In medium sized bowl, mix together the apples, 4 tbsp brown sugar, cinnamon and lemon juice. 4. In another bowl, mix together flour, 1/2 cup Brown Sugar, salt and butter. 5. Pour Yellow Cake Batter into the pan. Layer the apple mixture on top. 6. Then layer the top layer on top of the apples. 7. Bake for 45 -50 minutes or until the toothpick comes out clean. 8. Allow the cake to fully cool and sift powdered sugar on top as desired.