Heat oven to 350 F. Grease an 8 inch pan and line the base with parchment.
Whisk sweet potato eggs maple syrup oil and vanilla until smooth and glossy.
Stir in ginger cinnamon nutmeg baking soda and salt until the batter looks even.
Scrape into the pan. Smooth the top with a spatula.
Bake 25 to 30 minutes. A toothpick in the center comes out clean or with a few soft crumbs.
Cool 10 minutes in the pan then lift to a rack and cool fully before slicing.