Sausages with French green lentils

Ingredients

• 2 large onions (chopped)
• 4 garlic cloves (thinly sliced)
• 350 g carrots (peeled and diced)
• 1 large fennel bulb (chopped)
• 2 bay leaves
• 4 sprigs fresh thyme
• 1 orange (zest grated and juiced)
• 1 tbsp olive oil
• 6 good-quality, thin pork sausages
• 1 1/3 cups French green lentils (rinsed)
• 1 1/4 cups red wine
• 1/3 cup currant jelly
• 1 tbsp Dijon mustard
• 1 orange (cut into eight small wedges)