Orange Cake

Ingredients

• 4 eggs
• 1 teaspoon salt
• 1 ½ cups flour
• 2 cups sugar
• 1 teaspoon finely grated orange zest
• 1 cup butter (2 sticks), at room temperature
• 2 tablespoons orange juice
• 4 ½ cups powdered sugar, sifted
• 2 teaspoons orange extract (I used Penzey's)
• 8-ounces cream cheese, at room temperature
• 4 tablespoons butter (½ stick), at room temperature
• 1 tablespoon finely grated orange zest
• 1 tablespoon orange marmalade