Maple Walnut Loaf - Maple from Canada

Ingredients

• 2 cups + 1 tbsp gluten-free flour
• 5/6 cup Tapioca flour
• 1/2 cup potato starch
• 4 tsp baking soda
• 1 tbsp baking powder
• 1 1/2 tsp xanthan gum
• 1 1/2 tsp ground cinnamon
• 1 tsp salt
• 1/3 cup pure Canadian maple syrup (preferably amber syrup for its rich taste)
• 1/3 cup buttermilk, at room temperature
• 2 large eggs
• 1/2 cup unsalted butter, softened
• 3/4 cup walnuts, chopped