"Create a gluten-free, dairy-free, nut-free, shellfish-free, corn-free recipe inspired by Dairy-Free Spanakopita Pasties for 3 servings household size, using imperial units. Keep it beginner-friendly, quick/easy (15-30 min active time if possible), minimal processing, and aligned with a low-inflammation rotation diet. Include a flaky handheld pasty or hand pie style with spinach, potatoes, mushrooms, artichoke hearts, Kalamata olives, lemon, dill, oregano, parsley, and a dairy-free feta substitute if appropriate. Avoid gluten, dairy, nuts, shellfish, and corn. Provide clear ingredients and steps."