A gluten-free thanksgiving

Ingredients

• 1 1/4 cups Tara's all-purpose gluten-free flour mix
• 1/2 cup Tara's gluten-free pastry flour mix
• 1/2 tsp xanthan gum
• 1/4 tsp guar gum
• 1/2 tsp ground cinnamon
• 1/4 tsp freshly-ground cloves
• 1/4 tsp freshly-ground black pepper
• 1/4 tsp ground ginger
• 1/8 tsp fine sea salt
• 3/4 fluid cup dark molasses
• 1/2 cup granulated sugar
• 1/4 cup packed light brown sugar
• 3/4 fluid cup safflower or canola oil
• 1 1/2 tsp baking soda
• 3/4 fluid cup boiling water
• 2 large eggs
• 3 Tbsp finely chopped crystallized ginger
• powdered sugar