Cut onion, mushrooms, spinach, and scallions, and add one after another to the skillet mixing and cooking as shown in the video
Remove from heat and leave on a counter to cool
In a big salad bowl grate both kinds of cheese
Add eggs, yogurt and dill, mix well
Add skillet mixture to a salad bowl, mix all together
Transfer to а baking form, bake at 370*F (185*C) for 40 minutes