Add the chicken, chicken broth, basil, salt, pepper and leeks to the slow cooker. Add the butter on top of the chicken, no need to melt it.
Cover and cook on low for 6 hours.
After the cooking time is done, remove the chicken onto a plate with a slotted spoon. Stir in the minute rice, Add the chicken into the rice. Cover and cook on LOW for 25 more minutes, or until the rice is tender.
Serve and enjoy!
UK viewers: If you can't find Minute rice try Tilda's Easy Cook Long Grain Rice.Nutritional values are approximate. Please use your own calculations if you require a special diet. The values below are for 1/6 of the recipe.