Texas Orange Sheet Cake

Ingredients

• 3 1/2 cups flour
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 1 cup butter, softened (can use light)
• 1 cup sugar (I use Splenda Blend)
• 3 eggs, well beaten
• 3 tablespoons orange marmalade
• 2 tablespoons orange peel, grated
• 1 (11 ounce) can mandarin orange segments, chopped, optional (I add them for more flavor)
• 1 1/3 cups orange juice
• ORANGE GLAZE
• 1 cup granulated sugar
• 1/4 cup cornstarch
• 1 teaspoon lemon juice
• 1 cup fresh orange juice
• 2 tablespoons orange peel, finely grated
• 1/2 teaspoon salt
• 2 tablespoons butter (can use light)