3 Purple yams (about 500 g)
500 ml Water
1 tablespoon Melted butter
125 g Rice flour
400 g Sugar
300 ml Evaporated milk
1/2 teaspoon Vanilla extract
1 teaspoon Baking powder

Peel the yams then boil in water until tender. about 30 minutes. Set aside to cool then grate the yams. Brush a 9 x 5 x 3 in loaf pan with butter. Combine the grated yam, rice flour, sugar, evaporated milk, vanilla extract and baking powder. Stir to mix thoroughly. Pour mixture into prepared loaf pan and steam for 40 minutes or until firm. Remove from the heat and set aside to cool for several minutes before serving. Store any leftovers in the refrigerator.