Cottage Pie Lasagne

Ingredients

• 1 tbsp olive oil
• 1 large white onion, diced
• 1 leek, diced
• 1 celery, finely diced
• 2 carrots, finely peeled and diced
• 250g chestnut mushrooms
• 3-4 cloves garlic, finely diced
• 7 sun dried tomatoes, chopped
• 1 tbsp tomato puree
• 1/2 tsp fresh thyme
• 2 sprigs rosemary, leaves finely chopped
• 1 tin brown lentils, rinsed and drained
• 100ml red wine
• 1 tbsp soy sauce
• 1 tbsp balsamic vinegar
• 2 dried bay leaves
• 400ml vegan beef stock
• 2 tbsp vegan butter
• 2 tbsp plain flour
• 300ml oat milk
• 1 tsp dijon mustard
• 2 large potatoes, peeled
• 250g vegan cheddar