Mug Gingerbread

You will need

• 4 tbsp of plain flour
• 2 tbsp of caster sugar
• 2 tbsp of raisins
• 1/2 tsp baking powder
• pinch of salt
• 1/4 tsp ground ginger
• 1/4 tsp ground cinnamon
• 1/4 tsp ground mixed spice
• 1 tbsp of oil
• 1 tbsp of treacle
• 3 tbsp of milk