Bulgarian Zucchini Fritata

This isn't my own recipe. Not sure where it is. My mom didn't provide citations to it when she sent it. However, Its a family favorite! This is something I grew up enjoying... so here it is. (Mostly so I don't lose it.)

BULGARIAN ZUCCHINI FRITADA

1 lb. zucchini, sliced thin
½ medium onion
2 TBS butter
8 oz. farmer or feta cheese
2 TBS fresh dill
3 eggs
Salt to taste
¼ cup parmesan or kashkaval cheese

1. Set sliced zucchini in colander for at least ½ hour. Squeeze out as much juice as possible. Saute onion in butter, add zucchini, cooking a few minutes, cool.
2. Preheat oven to 375 degrees.
3. Crumble farmer or feta cheese and add to zucchini. Add salt, if necessary. Sprinkle with dill, if using.
4. Beat eggs and add to the above, mixing well.
5. Place zucchini mixture into a greased 9” pie place or casserole. Sprinkle with grated cheese.
6. Bake 45 minutes or until golden brown.