PREPARATION:
- Cut bread in half lengthwise. Place halves cut side up on work surface. Gently pull out some of interior, leaving at least 1-1/2-inches bread shell.
- Layer basil, cheese, tomatoes, onion and peppers on bottom half of loaf; drizzle with oil and vinegar. Season with salt and pepper; top with remaining half loaf.
- Wrap loaf tightly in plastic wrap; place on baking sheet. Top with another baking sheet. Place canned goods or heavy pots and pans on top of baking sheet. Refrigerate sandwich several hours or overnight.
- To serve, remove weights and plastic wrap from sandwich. Cut sandwich into 1-inch thick slices; arrange on serving platter.
