Filling: In large skillet, brown ground beef and drain.
Stir in onion, green pepper,
garlic, oregano, salt, water, hot pepper sauce, tomato sauce and sauce mix; simmer
about 10 minutes, stirring occasionally.
Batter: In a bowl, combine milk, oil and eggs; beat 1 minute on medium speed.
Add flour and salt; beat 2 minutes or until smooth.
Heat oven to 400 degrees F.
Pour hot meat mixture into a 13 x 9-inch pan; top with cheese slices.
Pour batter over cheese, covering filling completely; sprinkle with Parmesan cheese.
Bake for 25 to 30 minutes or until puffed and brown.