Sourdough bread: 80g (2 slices), Cheddar cheese: 45g (3 tbsp, shredded), Gruyere cheese: 30g (2 tbsp, shredded), Butter: 10g (2 tsp), Tomato soup (prepared): 240ml (1 cup), Garlic: 3g (1 clove, minced), Dried thyme: 1g (1/4 tsp), Salt: 1g (1/4 tsp), Black pepper: 1g (1/4 tsp)