3 apple sour walnut bundt Recipes

walnuts, cinnamon, sugar, melted butter, flour, baking soda, baking powder, salt, sugar, butter, softened (no subs!), eggs, room temperature (take out of the fridge 30 minutes before using), sour cream, vanilla extract or 1 tsp pure maple extract, chopped granny smith apples, coarsely chopped (or use a similar firm apple)

streusel topping, all-purpose flour, light brown sugar , firmly packed, ground cinnamon, cold butter, cut into chunks, walnuts/pecans, coarsely chopped, cake, butter, softened, granulated sugar, sour cream, eggs, pure vanilla extract, all-purpose flour, baking soda, apple, peeled and chopped, vanilla glaze , recipe follows (optional)