Sweet potato yam cake:

Sweet potato 70g, yam 30g, ingredients poured into a high-speed mixer+100ml of water, and rice paste mode was selected, so the rice paste was smooth and sticky! ! ! ! 1. Take 94g of beaten rice paste, 2. Add flour and stir well, 3. Add the egg yolk and stir well. Make egg yolk paste, 5. Beat egg whites, 6. Mix egg white and egg yolk evenly, 7. Pour the batter into the mold, 8. Bake in an oven at 150℃ for 50 minutes.