Rinse black-eyed peas with water, place into a crockpot and cover with water. Soak overnight.
The following morning, pour off the old water and replace with 4-5 cups fresh water. Turn crockpot to high.
Chop country ham into bitesize pieces. Add to crockpot.
Dice garlic and add to crockpot.
Add ground black pepper to taste to crockpot. There's no need to add salt, because the country ham is salty.
Wash the rosemary sprig and add it to crockpot.
Cover crockpot with lid and turn to high. Cook peas for 5-6 hours. Check for doneness. If peas are tender, turn the crockpot to warm until you're ready to serve your meal. Remove rosemary sprig before serving.
This dish makes a delicious side for fried chicken or pork loin, or it can be make as a meal on its own served with Thunder & Lightning (Green Tomato Relish) and a pan of hot cornbread.