Salted Caramel Apple Sheet Cake

INGREDIENTS

For the cake::

2 cups

all-purpose flour

1/2 tsp

baking soda

1/4 tsp

salt

1 cup

granulated sugar

1 cup

lightly packed light brown sugar

1 tsp

ground cinnamon

2 sticks

unsalted butter

1/2 cup

buttermilk

large eggs

1 tsp

vanilla

2 cups

peeled and chopped Granny Smith apples (about 2 medium apples)

For the glaze::

1 stick

unsalted butter

1/4 cup

milk

3 cups

powdered sugar, sifted

1/2 tsp

vanilla extract

1/4 cup

salted caramel sauce ([url]homemade∞https://www.handletheheat.com/how-to-make-caramel-sauce/[/url] or store-bought)