3 cups all-purpose flour
1 tsp baking powder
½ tsp baking soda
½ tsp salt
1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
1 tsp vanilla extract
1 cup buttermilk
zest of 2 lemons
2 tbsp fresh lemon juice
2 tsp Purple Sweet Potato Powder
2 tsp Butterfly Pea Powder
2 tsp Beetroot Powder
1 tsp Cranberry Juice Powder
powdered sugar for dusting (optional)