Three Kings Bread (Rosca de Reyes) - California Raisins

Ingredients

• 1 Tablespoon active dry yeast
• 1 / 2 Cup lukewarm water
• 1 vanilla beans
• 1 Cup milk
• 3 large eggs
• 1 / 2 Cup honey
• 5 Cups all-purpose flour, divided
• 1 / 4 Cup melted, unsalted butter
• 2 1 / 2 Teaspoons salt
• 1 Cup California raisins
• 1 Cup California golden raisins
• 1 egg, beaten with 2 tablespoons water; for egg wash