This vegan potato, olive, and preserved lemon tagine is a flavorful and hearty dish that is perfect for a comforting meal. The combination of tender potatoes, briny olives, and tangy preserved lemons creates a delicious and unique flavor profile. The tagine is cooked slowly to allow the flavors to meld together, resulting in a rich and aromatic dish. Serve it with couscous or crusty bread for a satisfying vegan meal.