Veggie Medley Frittata

1 cup broccoli , in tiny bite size floretts

3/4 cup sliced white button mushrooms

5 green onions , finely chopped using tops and a little bit of the green bottoms

1 cup green bell pepper , chopped

1 tablespoon butter or 1 tablespoon margarine

4 eggs , lightly beaten (or you can use 1 cup refrigerated egg substitute)

1/4 cup water

1/2 teaspoon oregano

1/4 teaspoon black pepper (or more to your taste)

1/4 teaspoon garlic powder (or more to your taste)

1/4 teaspoon onion powder (or more to your taste)

1 cup shredded cheddar cheese (I used sharp)

1/2 cup shredded parmesan cheese

1/2 cup chopped tomato (I used 3/4 cup)

1 (7 ounce) can diced green chilies (I used mild but you can spice it up as you like)

sour cream , for topping after served