The seeds are small and black or slightly mottled black/brown in color. ... Although usually discarded, the seeds are edible and delicious when roasted. They are also highly nutritious and high in fat as well. One cup of watermelon seeds has over 600 calories.The seeds are small and black or slightly mottled black/brown in color. ... Although usually discarded, the seeds are edible and delicious when roasted. They are also highly nutritious and high in fat as well. One cup of watermelon seeds has over 600 calories.

The seeds are small and black or slightly mottled black/brown in color. ... Although usually discarded, the seeds are edible and delicious when roasted. They are also highly nutritious and high in fat as well. One cup of watermelon seeds has over 600 calories.The seeds are small and black or slightly mottled black/brown in color. ... Although usually discarded, the seeds are edible and delicious when roasted. They are also highly nutritious and high in fat as well. One cup of watermelon seeds has over 600 calories.