Lemon cupcakes:
- 1/4 cup unsalted butter, at room temperature
- 3/4 cup granulated sugar
- 1 tablespoon fresh lemon zest
- 2 large eggs, at room temperature
- 2 tablespoons fresh lemon juice
- 1/3 cup whole milk, at room temperature
- 1 1/4 cup all-purpose flour
- 1 teaspoon baking powder
Raspberry lemonade frosting:
- 1/2 cup granulated sugar
- 1 1/2 tablespoons water
- 1 large egg white, cold
- 3/4 teaspoons cream of tartar
- 1/2 of an individual packet of raspberry lemonade powder (1.25g)
Optional garnish:
- Lemon wedges
- Fresh or freeze-dried raspberries