Rock Cakes

食材

2 cups self-rising flour, sifted

1/2 cup granulated sugar

3/4 teaspoon pumpkin pie spice

1/4 teaspoon ground nutmeg

1/8 teaspoon ground cloves

1/2 teaspoon cinnamon

Pinch salt

1 egg, beaten

2 tablespoons whole milk, plus more if needed

1/2 cup raisins