If you can't get out into the garden, or you want to get the kids involved on a wet day, why not sprout some seeds?Sprouting seeds are nutritious and easy to grow. Traditional favourites, such as alfalfa, radish and broccoli, are best sprouted in special sprouters or sprouting jars with a mesh lid, but you can use any jar and wrap mesh or coarse cloth around the opening.The easiest, and cheapest, of all are lentils. Because of the size of the seeds, you don't even need a special sprouter - I...