Super Easy and delicious classic Greek dish.You can use any kind of greens that you like ( spinach, kale, etc) although traditionally it is made using romaine lettuce and wild greens.Say hello to Spring with this wonderful classic!Ingredients (5-6 servings)800 g lamb cut into pieces (shoulder blade or arm chops bone in)3 tablespoons olive oil6 - 8 green onions, chopped1 red onion, chopped2 stalks celery, chopped2 cloves garlic minced4 romaine lettuce heads roughly chopped(remove outer leaves)1/2 bunch of parsley, finely choppedSalt - Pepper1 egg yolk and one whole egg1 lemon2 tablespoons yogur