COOKING INSTRUCTIONS: In a large bowl, mix the first 4 ingredients (lamb through oregano). Form lamb mixture into patties.
In a large skillet over medium heat, heat oil. To the skillet, add the burgers and cook for 4 minutes on each side, until burgers reach desired level of doneness. Remove burgers from skillet and set aside.
To the skillet, add the bacon and cook on medium heat for 3 minutes on each side, until very crispy.
Transfer bacon to a paper towel lined plate.
Layer 1 lettuce leaf, burger, avocado, bacon. Top with another lettuce leaf and serve.