Baked ginger & spinach sweet potato - Good Food Middle East

Ingredients

• 1 sweet potato
• 2 tsp oil
• ½ onion, finely chopped
• 1 garlic clove, crushed
• small knob of ginger, grated
• 1-2 tsp curry paste (use what you have or buy a Madras or red curry paste)
• knob of butter
• handful of spinach