2 sticks unsalted butter, divided
4-5 honeycrisp or granny smith apples, chopped
1/3 cup + 2 tablespoons light brown sugar, divided
3 cup old fashioned oats
1 1/4 cup white whole wheat flour or whole wheat pastry flour
1 1/2 teaspoons cinnamon, divided
1/2 teaspoon baking soda
3/4 cup pecans
1/3 cup unsweetened shredded coconut (optional)
1/2 cup pure maple syrup
2 teaspoons vanilla extract
3 tablespoons mascarpone or cream cheese, softened
3 tablespoons pure maple syrup
1/2 teaspoon vanilla extract