Mix together the streusel topping ingredients of erythritol and cinnamon. Set aside.
Grease an 8x8 or 9x9 baking pan.
In a medium-sized bowl, mix almond flour, xanthan gum, baking powder, pumpkin pie spice, sugar substitute, and salt.
Then, make a well in the dry ingredients and add in pumpkin puree, water, eggs, and vanilla. Stir together until completely combined.
Transfer the batter into the greased baking pan. Then, sprinkle the streusel topping evenly over the top.
Bake at 350 degrees for 45-50 minutes or when a toothpick inserted in the center comes out clean.
Video
Notes
Net Carbs = 2.7 gSugar Alcohols = 17.7 g (We use erythritol for sugar alcohol numbers for consistency)Tip: For the best taste, we like to blend different sugar substitutes together. For example, in the cake you could use a half teaspoon each of liquid stevia and monk fruit extracts.