YIELD 24 cupcakes
TIME About 45 minutes
1 cup (2 sticks) of unsalted butter, softened, plus extra for greasing pans
1 ¼ cups all-purpose flour, plus extra for dusting pans
1 ½ cups self-rising flour
1 cup milk
1 teaspoon vanilla extract
2 cups sugar
4 large eggs, at room temperature