1/2 c. chopped onion
1 tbsp. butter or oil
5 1/2 c. coarsely chopped zucchini
3 eggs
1 tsp. salt
1 1/2 c. milk
3/4 tsp. oregano
1/4 tsp. pepper
3 c. bite-size crispy rice squares crushed to 1 c.
1 1/2 c. shredded sharp Cheddar cheese