Sauté garlic in butter. Add tomatos, onion, broth mix, and 1/2 cup water. Let sit off heat for 15 to 20 minutes while pasta cooks. Flake salmon into sauce, and add capers. Drain pasta. Toss pasta and sauce; serve with Parmesan sprinkled on top. Weight before: 28.1 oz.; Weight after: 21.1 oz.