Sweet potato bread (pain patate)

Instructions

1. Peel the sweet potato, cut it into pieces and cook in water or steam for 20 minutes, until very tender.
2. Mash the sweet potato with a fork or potato ricer to a smooth purée, then let it cool slightly.
3. Preheat the oven to 180 °C and butter a loaf tin.
4. In a bowl, beat the butter and sugar until creamy, then add the eggs one at a time.
5. Fold in the sweet potato purée, the milk, then the flour, baking powder, nutmeg, cinnamon and salt, mixing gently.
6. Pour the batter into the tin and bake for about 50 minutes, until the top is golden and a skewer comes out dry.