Dough
4 1/2 cups of all-purpose flour (separated)
2 cups milk
1/2 cup vegetable oil
1/2 cup sugar
1/2 teaspoon of salt
1/2 teaspoon baking powder
1/2 teaspoon baking soda
1 packet of active yeast (1/4 oz. or 2 1/4 t)

Filling
2 medium apples, chopped into small cubes (about 1 1/2 cups chopped)
1 cup brown sugar, packed
1/4 cup ground cinnamon
1 cup of butter, melted (2 sticks)

Frosting
1/2 cup butter, melted (1 stick)
1 1/3 cup of powdered sugar
1/2 teaspoon salt
1/2 teaspoon pure maple extract (or pure vanilla extract)
1/4 cup milk