Preheat oven to 325 degrees F (163 degrees C). Brush an 8x8 casserole dish with oil, coconut or olive, set aside.
Cut a loaf of Candida Diet Coconut Bread into 1 inch slices, then cut slices into 1 inch cubes. Place bread cubes into a large bowl, set aside.
Heat oil in a large skillet over medium heat. Add chopped celery, chopped onion, chopped mushrooms, and sliced leeks, saute for about 8 minutes.
Season vegetable mixture with dried thyme, salt and pepper, stir to combine. Add vegetable mixture and water or broth to bread cubes, gently stir to combine.
Place stuffing mixture in prepared casserole dish, cover and bake for 15 minutes. Uncover and bake until stuffing is golden brown, about another 15 minutes. Serve warm.