You can buy a half breast (about three pounds) or a full breast (two halves joined at the breast bone). Let turkey breast rest 10 minutes, cut open top of oven bag. Cut three 1/2-inch slits in the top of the cooking bag. A half breast will feed two to four people, while a full breast will feed six to eight. Slow Cooker: Add one cup water to the bottom of slow cooker. Turkey breasts are sold boneless and skinless or bone-in with skin. https://www.tasteofhome.com/recipes/herb-roasted-turkey-breast Prepare gravy as directed on pouch. Be cautious of hot steam and juices. https://www.allrecipes.com/recipe/229658/oven-roasted-turkey-breast Place turkey breast in the slow cooker.