Turkmen Shepherd's Pie (Ishleki)

Ingredients

• 1 lb ground lamb (or ground beef or turkey)
• 1 sweet onion, diced
• 3 cloves garlic, minced
• 1 large tomato (or 2 Roma tomatoes), chopped
• 1/2 red bell pepper, diced
• 2 Tbsp Piquant Post Turkmen Sultan spice blend
• 1 tsp salt (optional)
• 1/2 cup water
• ~1/4 cup chopped fresh mint leaves (optional)
• 3.5 Tbsp butter, melted
• 4 cups all-purpose flour + extra for rolling
• 1 tsp salt (optional; some salt is recommended)
• 1.25 cups lukewarm water
• Rolling pin to roll dough