King Cake with Duke's Glaze – Duke's Mayo

Ingredients

• 1/2 cup granulated sugar    
• 1 tsp salt
• 6 Tbsp unsalted butter, softened
• 1 large egg
• 3.5 cups all purpose flour
• 1/2 tsp lemon extract (optional)
• Zest of a medium lemon
• 1 Tbsp instant yeast
• 1 1/2 scant cups whole milk, slightly warmed
• 1 stick unsalted butter, melted and cooled 
• 3/4 cup granulated sugar
• 2 Tbsp ground cinnamon
• 1/4 tsp ground nutmeg 
• 1 tsp vanilla extract 
• 4 Tbsp Duke's Real Mayonnaise
• 8 oz cream cheese, softened to room temperature 
• 3/4 cup powdered sugar 
• 1 to 2 Tbsp heavy cream
• 2 tsp vanilla extract
• 1/2 tsp almond extract
• 1/4 tsp lemon extract 
• Purple, green, and yellow sugar sprinkles for garnish.