Apple Cinnamon Sheet Cake with Cream Cheese Frosting

INGREDIENTS

tart apples (like Granny Smith) peeled and cut into small pieces (about 3 cups)

1 tbsp

butter

3 cups

all-purpose flour (12.75 oz.)

3 tsp

ground cinnamon, divided

1 tsp

baking soda

1 tsp

salt

1 1/3 cups

vegetable oil (I used coconut oil but any kind will do.)

1/2 cup

plus 1 tablespoon white sugar

1 cup

light brown sugar

large eggs

1 tsp

pure vanilla extract

8 oz

cream cheese, softened

1 stick

unsalted butter, softened

3 cups

powdered sugar

1 tsp

vanilla extract