Maple Walnut Bars

INGREDIENTS

• 2 cups all-purpose flour
• 1/2 teaspoon baking soda
• 1/2 cup packed brown sugar
• 1/2 cup butter
• 1 cup real maple syrup
• 1 egg
• 2 teaspoons vanilla extract
• 1 cup ground walnuts
• 1/2 cup butter, softened
• 2 ounces cream cheese, softened
• 1 tablespoon light brown sugar
• 3 tablespoons real maple syrup
• 3/8 cup confectioners' sugar