Orange Drizzle Vegetable Cake (gluten and dairy free)

• 500 g swede, diced (1 cm)
• 700 g water

Sponge

• 300 g blanched almonds
• 2 oranges, thin peelings of skin only
• 300 g caster sugar
• 200 g sunflower margarine, dairy free, plus extra for greasing
  或 200 g soya margarine
• 3 tsp gluten-free baking powder
• 5 medium eggs

Drizzle

• 80 g caster sugar
• 20 g orange juice, fresh