Pat the (completely thawed) turkey breast all over with paper towels so it’s dry.
In a small bowl, combine the olive oil, salt, garlic powder, paprika, thyme leaves, salt and pepper. Stir well to form a paste.
Rub the paste all over the turkey breast, being sure to rub some underneath the skin and directly onto the turkey meat (just wiggle your fingers to loosen the skin from the meat and create a little pocket).
Put the cut onion slices in the bottom of the slow cooker.
Place the turkey breast on top of the sliced onions in the slow cooker, with the breasts facing up.
Pour the water around the turkey.
Cover and cook on low for 6 hours, or until the turkey is cooked through. (Reminder: It should reach an internal temperature of 165.)
Remove the turkey breast to a cutting board and let rest for 10-15 minutes. Then the turkey is ready to slice, serve and enjoy!
Video
Notes
If you would like to crisp up the skin, place the turkey breast on a baking sheet and broil for 5-10 minutes or until golden brown.
Refrigerate the leftovers in an airtight container for up to 5 days.