Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9×13-inch baking pan.
Combine tomato soup and baking soda in a bowl; set aside.
In a large bowl, cream together the butter and sugar until light and fluffy. Beat in the egg.
Stir in the cinnamon, cloves, and salt.
Alternate adding the flour mixture and the tomato soup mixture to the butter mixture, beginning and ending with the flour mixture.
Fold in the raisins (if using).
Pour batter into prepared pan and bake for 30-40 minutes, or until a toothpick inserted into the centre comes out clean.
Let the cake cool completely in the pan before frosting.
Make Frosting: Beat together cream cheese, butter, powdered sugar, and vanilla until smooth and creamy.
Frost and Enjoy: Spread the frosting over the cooled cake and enjoy!