Colonial Spice Bars

Ingredients

• Bars
• 1 1/4 cups flour
• 3/4 cup brown sugar
• 1/2 teaspoon baking soda
• 1 teaspoon cinnamon
• 1/2 teaspoon salt
• 1/2 teaspoon vanilla
• 2/3 cup buttermilk or 2/3 cup sour cream
• 1/4 teaspoon ginger
• 1/4 teaspoon nutmeg
• 1/4 teaspoon allspice
• 1/8 teaspoon clove
• 1/3 cup shortening
• 1 egg
• Frosting
• 2 tablespoons butter, softened
• 2 tablespoons lemon juice
• 2 tablespoons lemon peel, grated
• 1 1/2 cups powdered sugar