6 cups (1/2-inch) cubed day-old country-style wheat bread |
1 1/2 tablespoons fresh lemon juice |
3 tablespoons olive oil, divided |
1 teaspoon finely chopped fresh rosemary |
1/2 teaspoon salt, divided |
1/4 teaspoon freshly ground black pepper |
2 garlic cloves, minced and divided |
8 cups chopped plum tomato (about 16) |
6 pitted kalamata olives, chopped |
1 1/2 pounds large shrimp, peeled and deveined |
1 cup torn fresh basil leaves |