Sausages with Creamy Lentils

Ingredients

• 12 low fat pork sausages
• 300 g dried green lentils (rinsed)
• 1 onion (finely chopped)
• 2 carrots (peeled and diced)
• 2 cloves of garlic (crushed)
• 1 eating apple (peeled and cut into dice)
• 2 chicken stock cubes
• 1.2 litres boiling water
• 2 tsp mustard powder
• 2 tsp dried sage
• 1 tbsp cider vinegar ((or white wine vinegar if needed))
• 120 g reduced fat, spreadable cheese