In a zip-top bag, combine meat, flour, salt, pepper, and garlic powder. Shake well to coat the meat evenly.
In a skillet, add the oil and heat to medium heat.
Add the meat, turning to brown on all sides. You are not cooking the meat all the way through--just browning. You may need to cook the meat in batches.
Remove the meat from the skillet once browned and add to the slow cooker. Add all other ingredients to the slow cooker (except egg noodles and rice) and stir well. Add the lid and cook on low for 6-8 hours.
Serve with crusty garlic bread, cornbread, or over egg noodles/rice if desired.