1 1/3 cups all-purpose flour
1/3 cup sugar
2 teaspoons baking powder
1/2 teaspoon baking soda
1/2 teaspoon ground cinnamon or pinch of ground nutmeg (optional)
1/4 teaspoon salt

1 cup milk
1 cup full-fat or low-fat cottage cheese
3 tablespoons butter, melted
2 large egg yolks
1 teaspoon vanilla

1/3 cups finely chopped walnuts (optional)
1/3 cup dried currants, plumped (optional)

2 large egg whites