BBC Food - Recipes - Mushroom stroganoff

Ingredients

• 1 tbsp olive oil
• 1 onion , finely diced
• 2 garlic cloves, crushed
• 500g/1lb 2oz mushrooms (such as white closed cup), cleaned and sliced
• ½ tsp English mustard
• 1 tsp paprika
• 250ml/9fl oz vegetable stock , made from stock cube
• 200g/7oz rice
• 200ml/7fl oz soured cream
• 1 lemon , cut into six wedges
• salt and black pepper