Polish Poppy Seed Loaves
2 packages (1/4 ounce each) active dry yeast
1/2 cup warm water (110° to 115°)
4-1/2 cups all-purpose flour
3/4 cup sugar
1/2 teaspoon salt
1/2 cup cold butter
2 large eggs, room temperature
2 large egg yolks, room temperature
1/2 cup sour cream
1 teaspoon vanilla extract
FILLING:
3 tablespoons poppy seeds
2 tablespoons butter
1/4 cup raisins
2 tablespoons honey
2 teaspoons lemon juice
1/4 cup finely chopped candied orange peel
2 teaspoons grated lemon zest
2 large egg whites
1/2 cup sugar
ICING:
1 cup confectioners' sugar
2 tablespoons lemon juice
