1. Preheat smoker. 2. Using a paring knife, remove stems from all mushroom caps. Wipe down mushrooms with a wet cloth to remove all dirt. Do not wash or rinse mushrooms. Set aside. 3. In a medium skillet, heat oil and sauté garlic and onio until fragrant. Add chorizo and continue cooking until chorizo is browned. Add spinach and cook until shrunk down. Remove from heat. 4. In a small bowl, mix cream cheese, dried basil, chilli powder and smoked paprika. Mix well. 5. Add chorizo mix to cream cheese and blend until thoroughly mixed. 6. Mound mixture into mushroom cap. Top with grated parmesan cheese and panko, pressing lightly into mounded mixture. 7. Smoke at 225 for 1 1/4 to 1 1/2 hours.