Cut the ribs however you desire.
Season the ribs with the kosher salt, pepper, and thyme.
Place the ribs in the slow cooker.
Add 1/4 cup of oil in a saucepan and place over medium heat.
Once the oil gets hot, slowly start sprinkling in the flour while whisking.
Once the flour/ oil mixture starts to brown, add in the chicken broth( or water).
Whisk, then bring to a boil.
Reduce the heat to low, then add in the onions & garlic.
Decide whether or not, you'd like to add more seasonings. If you do, do so now.
Whisk, then pour the gravy over the ribs in the Crock-Pot.
Place the lid on the Crock-Pot.
Set on high, and let cook for 4 hours.
Serve & enjoy!