Step 1: Scrub the potatoes thoroughly under cold water to remove all dirt and debris.
Step 2: Pat each potato completely dry with a clean kitchen towel or paper towels.
Step 3: Use a fork to prick each potato 5-6 times all over to allow steam to escape during the cooking process.
Step 4: Rub each potato generously with olive oil and then sprinkle with kosher salt and garlic powder if using.
Step 5: Wrap each seasoned potato tightly in a piece of aluminum foil.
Step 6: Place the wrapped potatoes into the bottom of the crock pot. You can stack them if necessary.
Step 7: Cover and cook on Low for 7-8 hours or on High for 4 hours until the potatoes are tender when squeezed.
Step 8: Carefully remove from the crock pot, unwrap, and slice open to serve with your favorite toppings.