Preheat the oven to 325 degrees F (165 degrees C). Lightly grease a 10-inch square baking dish.
Combine tomato soup and baking soda in a bowl; set aside.
Beat sugar, butter, egg, cinnamon, cloves, and salt in a large bowl with an electric mixer until smooth.
Mix in tomato soup and soda mixture; stir in flour and raisins.
Pour cake batter into a greased baking dish.
Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 1 hour.
