Baked Plum Tart

Ingredients

• #Tart#
• Pint of milk - 150 ml.
• Orange zest - taken from one orange.
• Orange juice- 2 teaspoons.
• Caster sugar - 50 grams.
• Self-raising flour - 300 grams. (It must be sifted)
• Butter - 100 grams. (You can keep some extra for greasing)
• #Topping#
• Ground cinnamon - 2 teaspoons.
• Demerara sugar - 50 grams.
• Butter - 50 grams.
• Plums - 700 grams. (They must be stoned and halved)