Pick and wash the black-eye peas. Place in slow cooker or, if you wish to cook them on the top of the stove, a large dutch over. Combine wtih salt, pepper, onion, water, and ham or other meat. You can add crushed red pepper if you like spicy food. simmer on the top of the stove or turn slow cooker to high and allow peas to cook 3 to 4 hours. Serves 6 to 8.