Homemade Cake Mix

Ingredients

• 2 eggs
• 1 1/2 teaspoons salt
• 1/4 cup baking powder
• 8 cups cake flour
• 1 1/2 tablespoons orange zest
• 6 cups sugar
• 1/3 cup butter
• 2 1/2 cups vegetable shortening
• 3 tablespoons orange juice
• 3 cups powdered sugar
• 3 1/3 cups Homemade Cake Mix
• 3/4 cup milk
• 1 teaspoon lemon extract