Vegan Sweet Potato Cake With Thick Coconut Frosting

Ingredients

• 1 cup cooked yellow sweet potato flesh, cooled 
• 1½ cups
• vegan milk
• 3 tablespoons raw cashews
• 1½ teaspoons lemon juice 
• 2 teaspoons vanilla extract 
• 2 cups spelt flour 
• 2 tablespoons white whole-wheat flour 
• ½ cup plus 2 tablespoons
• sugar
•  
• 2 teaspoons baking powder 
• ¼ teaspoon baking soda 
• ¼ teaspoon salt
• 2 cups cooked yellow sweet potato flesh, cooled 
• 1 cup coconut butter, not melted 
• ¾ cup sugar
• ⅔ cup vegan milk
• ½ teaspoon salt 
• ½ teaspoon vanilla bean powder