Good-Cooking - Gluten-Free Cinnamon Coffee Bars

Ingredients

• 1/4 cup shortening
• 1 cup brown sugar
• 1 egg
• 1/2 cup hot coffee
• 1 1/2 cups rice flour
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 1 teaspoon xanthan gum
• 1/2 teaspoon cinnamon
• 1/2 cup raisins
• 1/4 cup chopped nuts (optional)
• 1 cup confectioners sugar' sugar
• 1 teaspoon vanilla extract
• Enough water to make easily spreadable