Cheesy Mushroom Egg Casserole

½ lb mushrooms, brushed and sliced
2 tbsp butter/olive oil
1-2 pairs of green onions, chopped (optional)
3 eggs, beaten
1 cup milk
½ tbsp starch
½ cup crumbled feta/ Mexican cheese
½ tsp any kind of seasoning
½ tsp salt to taste

In a skillet, sauté mushrooms with butter over medium heat, till all the water evaporates. Then stir in green onions and sauté over low medium for 1-2 minutes.
Meanwhile dissolve starch in milk and add salt, eggs and seasoning. Mix them all.
Preheat the oven to 350-375F (180-190 C) and place mushrooms in a Pyrex or baking dish and sprinkle feta/Mexican Cheese over them. Finally pour egg-milk mixture and stir gently with a fork to distribute mushrooms and cheese evenly in egg mixture.
Bake for 25-30 minutes, till the surface turns light brown.
Serve Cheesy Mushroom Egg Casserole warm.