"Create a gluten-free, dairy-free, nut-free, shellfish-free, corn-free Italian Rustic Pasties recipe for 3 servings household size adjusted to 12 pasties if appropriate, using imperial units. Keep it beginner-friendly, quick/easy within 15-30 minutes active time if possible, minimal processing, low-inflammation, and suitable for meal prep/freezing. Include a savory filling with ground beef, potatoes, mushrooms, spinach, and sun-dried tomatoes, plus one optional sauce. Avoid all allergens and use simple ingredients. If the provided recipe needs safety or allergy corrections, make them. Provide clear ingredients and steps."