Combine salad dressing, cucumber, tomatoes and basil; mix lightly. Chill. Cut slice from top of bread loaf; remove center leaving 1/2-inch shell. Discard removed bread. Layer salami, peppers and half of salad dressing mixture in shell. Cover with cheese, onions and remaining salad dressing mixture; top with turkey. Cover with top of bread loaf. Wrap in plastic wrap. Chill 3 hours or overnight. Cut into 6 wedges to serve.
Substitute rye or pumpernickel bread for sourdough bread.
Cajun Country -- New Iberia, Louisiana