Hollow out the peppers by slicing the tops and removing seeds. Set aside.
Combine ground beef/turkey, cooked rice, onion, diced tomatoes, worcestershire sauce, ketchup, 1 cup of cheddar cheese, salt and pepper.
Fill each pepper with meat mixture.
Nestle the peppers into your crock pot and put the little pepper tops back on.
Pour in 1/3 cup of water/broth around the bases of the peppers.
Cook on low for 6-8 hours, until the peppers soften and they are completely cooked.
Last 30 minutes of cooking, remove little peppers tops and top peppers with remaining cheese.
Let cool 15 minutes before serving.
Serve with parsley and cream, according to taste.