Athens Hot Dog - The Local Palate

Ingredients

• 1 large sweet onion, thinly sliced
• 1 tablespoon sumac
• 1 teaspoon kosher salt
• ¼ cup lemon juice
• 2 tablespoons olive oil
• ½ cucumber, unpeeled
• 2 garlic cloves, peeled
• 2 cups full-fat greek yogurt
• ½ teaspoon honey
• 2 teaspoons kosher salt
• ½ teaspoon black pepper
• 3-4 large mint leaves
• ¼ cup olive oil
• 1 pound ground pork
• 1 tablespoon ground sumac
• ¼ cup chopped parsley
• 1 teaspoon chopped oregano
• Zest of 1 lemon
• 1 tablespoon chopped garlic
• 1 tablespoon olive oil
• 2 teaspoons kosher slat
• 1 teaspoon black pepper
• 1 teaspoon cayenne
• 1 ounce feta, plus more for topping
• Hot dog buns
• Diced tomatoes
• Diced cucumbers