Good-Cooking - Cinnamon Pudding Cake

Ingredients

• 2 cups all-purpose flour
• 1 cup granulated sugar
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 3 teaspoons ground cinnamon
• 1 cup milk
• 1 3/4 cups packed brown sugar
• 1 1/2 cups water
• 2 tablespoons butter
• 1/2 cup chopped walnuts
• 3/4 cup apple, peeled, cored and chopped