Fiery Cajun Shrimp

1 cup butter, melted
1 cup margarine, melted
1/2 cup Worcestershire sauce
1/4 cup lemon juice
1/2 cup ground pepper
2 teaspoons hot sauce or Tabasco sauce
2 teaspoons salt
4 cloves garlic, minced
5 pounds unpeeled medium-size shrimp
2 lemons, thinly sliced
French bread

Combine first eight ingredients; pour half of mixture into a large ceramic heatproof dish. Layer shrimp and lemon slices in sauce; pour remaining sauce over shrimp and lemon. Bake, uncovered, at 400 degrees F for 20 minutes, or until shrimp are pink, stirring twice.

Drain sauce and serve with shrimp and French bread.