Here is what you need :
3 Granny Smith Apples. halved and cut into 1/2 in thick wedges
2 Macintosh Apples, halved and cut into 1/2 inch thick wedges
1 Tbsp Fresh lemon juice
3 cups all purpose flour
1 1/2 tsp baking soda
1/4 tsp kosher salt
1 1/4 tsp ground cinnamon
4 large eggs
2 cups granulated sugar
1 cup vegetable oil
1/2 cup orange juice
2 1/2 tsp pure vanilla extract
Confectioners' sugar
Heat oven to 350 degrees. Coat a 9 X 13 inch baking pan with cooking spray.
In a large bowl, toss the apples with the lemon juice. In a medium bowl, whisk together the flour, baking soda, salt and 1 tsp of the cinnamon.
In a large bowl, whisk together the eggs, granulated sugar, oil, orange juice and vanilla. Add the flour mixture and whisk together just until combined. Add half the apples and mix to combine. Spread into prepared pan.
Arrange the remaining apples on top. Sprinkle with the remaining cinnamon and bake until a wooden pick inserted in teh center comes out clean, 55 to 60 minutes. Let cool completely on a wire rack. Dust with confectioners' sugar.