Preheat your oven to 375 degrees.
Grease bread pan with coconut oil (or another flavorless oil)
In a large bowl, add pumpkin, brown sugar, melted coconut oil, unsweetened applesauce, and vanilla. Stir together with a silicone spatula.
Sift in the gluten free flour, baking powder, baking soda, cinnamon, ginger, cloves, allspice, nutmeg, and salt.
Stir again just until combined.
Gently fold in walnut pieces or chocolate chips if adding.
Pour into greased bread pan and tap the bottom of the pan to ensure it’s evenly leveled.
If making streusel topping, combine all the dry ingredients into a bowl. Then pour in melted vegan butter. Combine and fluff until a wet sand like texture. Evenly spread over bread.
Place in oven for 55-65 minutes. When done, a toothpick inserted when come out clean. *The top of the bread should be a deep brown color. If after 45 minutes, your bread needs more time, cover the top with foil and continue cooking in 5 minute intervals until the toothpick comes out clean. Remove from oven and let cool for 20 minutes in pan before slicing. Then carefully remove and place on a cooling rack until completely cooled.