Poppy Seed Kolache

Name: Poppy Seed Kolache
Ingredients: 4 to 4 1/2 cups (586 to 520g) all-purpose flour , divided; 1 (7-gram) package active dry yeast; 1/2 teaspoon ground mace or ground nutmeg; 1 cup milk; 1 stick (8 tablespoons) butter; 1/4 cup (50g) granulated sugar; 1 teaspoon salt; 2 eggs; 1 teaspoon vanilla extract; 1 teaspoon finely grated lemon zest; 1 (12.5-ounce) can poppy seed filling (or make your own, see below); 1/4 cup raisins , optional; 1 egg; 1 tablespoon milk; 1 cup (145g) poppy seed; 1/2 cup milk; 1/4 cup honey; 1/3 cup (78g) finely chopped dates; 1/3 cup (43g) finely chopped nuts (such as walnuts or pecans); Dash cinnamon