Orange cake with cinnamon cream

Ingredients

• 1 cup water
• 1 1/3 cup caster sugar
• 1 medium orange, cut into 5mm slices
• 125 gram butter, at room temperature
• 2 teaspoon vanilla essence
• 2 teaspoon finely grated orange zest
• 2 eggs
• 1 cup self-raising flour
• 1/2 cup almond meal (ground almonds)
• 1/3 cup milk
• 200 millilitre tub double cream
• 1 teaspoon ground cinnamon