• Preheat your oven to 375°F (190°C).

Prepare Mixture:

• In a large bowl, combine the lean ground beef, finely chopped red onion, panko bread crumbs, chopped dill, chopped mint, lemon zest, tahina, chopped kalamata olives, and salt.
  1 pound lean ground beef, 1/4 cup red onion, 1/2 cup panko bread crumbs, 2 Tablespoons fresh dill, 4 Tablespoons fresh mint, 1 Tablespoon lemon zest, 1 Tablespoon tahina, 1/2 cup kalamata olives, 1/2 teaspoon salt, 1 egg
  
• Mix well until all ingredients are evenly incorporated.
  

Form Meatballs:

• Add 1-2 tablespoons of flour to the mixture to help bind it together.
  1-2 Tablespoons flour
• Form the mixture into meatballs of your desired size.

Bake:

• Place the meatballs on a baking sheet lined with parchment paper or lightly greased.
  
• Bake in the preheated oven for 20-25 minutes, or until the meatballs are cooked through and golden brown on the outside.
  

Serve:

• Remove from the oven and let the meatballs cool slightly before serving.