Cheddar Mushroom Open-Face Sandwich

1 1/2 c Mushrooms; fresh, chopped

2 ts Butter; melted

1 ea Egg; lg, beaten

1 ts Oregano

1 c Cheddar; md sharp, shredded

6 ea Dk. rye bread slices;toasted

12 ea Tomato; slices, thin

1 x Celery salt

1 x Parsley

Saute the mushrooms in the butter until tender. Remove from the heat and stir in the egg and oregano. Stir in the cheddar cheese. Spread about 3 Tbls of the mixture on each slice of toast. Top each slice with 2 slices of tomato and sprinkle with celery salt to taste. Broil for 5 minutes, or until the cheese melts and the sandwich is thoroughly heated. Garnish with the parsley and serve.