Add lavendar to lemonade cake for a floral essence.
Pour blueberry sauce on lemonade cake batter, make swirl pattern, and bake for a marble effect.
Mix shredded coconut into lemonade cake batter for crunchy and tropical twist.
Blend matcha into lemonade cake for a refreshing flavor.
Add a nutty twist with chopped almonds to make the lemonade cake delightful.