Add garlic to pan; cook 1 minute, stirring constantly.
Add remaining 1/4 teaspoon salt, oil, and the next 4 ingredients (through nutmeg) to pan; cook 1 minute or until fragrant, stirring constantly.
Add tomato paste; cook 1 minute.
Add 1 cup water, vinegar, and tomatoes to pan; bring to a boil. Reserve 1/2 cup dark red kidney beans.
Add beef, remaining dark red kidney beans, and light red kidney beans to pan; cover, reduce heat, and simmer 30 minutes. Ladle 1 1/4 cups chili into each of 8 bowls. Top each serving with 1 tablespoon remaining dark red kidney beans, about 1 teaspoon remaining chopped onion, and 1 tablespoon parsley.