Mexican Rarebit

3 tablespoons chopped green bell pepper
1 tablespoon butter
1/2 cup canned tomatoes, drained and chopped
1 (8 ounce) can whole kernel corn
2 tablespoons diced canned green chiles
1/4 teaspoon salt
1 pound sharp Cheddar or Monterey jack
1/4 cup bread crumbs
1 egg, lightly beaten
Sliced pimento
Minced parsley

In the top of a double boiler, saut