Mini and date, ginger orange rockcakes

Ingredients

• 2 cup (300g) self-raising flour
• 1 teaspoon ground ginger
• 1/3 cup (75g) caster (superfine) sugar
• 90 gram (3 ounces) butter, chopped coarsely
• 1 cup (140g) coarsely chopped dried dates
• 1/4 cup (45g) finely chopped glacé ginger
• 2 teaspoon finely grated orange rind
• 1 egg, beaten lightly
• 1/2 cup (125ml) milk
• 1 tablespoon caster (superfine) sugar, extra