Add the garlic, salt and pepper to the ground beef and onion mixture.
Add the tomato sauce and rice to the ground beef and mix well.
To Stuff:
Cut off the tops of the bell peppers and clean out the seeds. Spoon the ground beef mixture equally into the peppers.
Add 1 inch of water to the bottom of the crock pot and place stuffed peppers in the crock pot. .
Cook on low 6 hours or on high 3 hrs
Notes
Any color pepper works but red and yellow bell peppers will give a nice hint of sweetness.The filling can be made ahead of time and frozen. Thaw before stuffing the peppers.