Baba au Rhum

• ⅔ cup lukewarm milk
• ½ teaspoon cardamon
• 3 yeast cakes

Dissolve yeast in milk with 1 teaspoon sugar and ½ cup flour. Beat until well blended and let rise in warm place for 15 minutes. Add salt to eggs and beat until thick. Cream butter, add remaining sugar gradually. Add beaten eggs and lemon rind. Add remaining flour and beat for 10 minutes with electric mixer. Cover, let rise until double in bulk, about one hour. Punch down, let rise again until