Swedish Cardamom Rolls

INGREDIENTS

• 3/4 stick (6 tablespoons) unsalted butter, melted and cooled slightly
• 5 to 6 cups all-purpose flour
• 1/4 cup powdered nonfat dry milk
• an egg wash made by beating 1 large egg with 2 tablespoons water
• 1/2 stick (1/4 cup) unsalted butter, softened
• two 1/4-ounce packages active dry yeast (5 tablespoons total)
• 1 1/4 cups warm water (105°F.)
• 3 large eggs beaten lightly
• 6 tablespoons granulated sugar
• 1 1/2 teaspoons salt
• 3 tablespoons cardamom seeds, ground in a mortar with a pestle, or in an electric spice/coffee grinder
• 2 tablespoons ground cinnamon
• 1/2 cup granulated sugar