Preheat oven to 350 degrees. Heat a medium-sized skillet with oil over medium heat for about 1 minute. Add chicken, mushroom pieces, salt, coriander and paprika. Sauté mixture over medium heat for about 3 minutes until chicken begins to brown.
Add broth and basil. Cover and reduce heat and cook for about 2 minutes to blend flavors.
Lightly coat portabella with vegetable oil and place in over safe baking dish. With a slotted spoon, spoon filling on top of portabella. Drizzle with lime juice.
Bake at 350 until chicken reaches 165 degrees and mushroom is thoroughly cooked about 40 minutes.