MAGIC PUFF SANDWICHES

1 1/4 cups Bisquick baking mix
3/4 cup mayonnaise or salad dressing
1 egg
2 cups shredded cheddar cheese (about 8 oz.)
1 cup cut-up cooked chicken
1 (4 oz) can mushroom stems and pieces, drained
1/4 cup sliced green onions
1/4 tsp salt
dash of ground black pepper
6 slices bread

Preheat oven to 450 degrees F.

Mix baking mix, mayonnaise, and egg together. Stir in remaining ingredients, except bread.

Spread ingredients evenly on each slice of bread; place with filling facing up on an ungreased baking sheet.

Bake until puffy and golden brown, about 10 minutes. Serve immediately.

Makes 6-open-faced sandwiches
Adapted from unknown source