3 strips bacon, chopped
1 1/3 cups water
1/2 teaspoon salt
2/3 cup quick-cooking barley
1 pound peeled cooked shrimp, (21-25 per pound; thawed if frozen), tails removed, coarsely chopped
1/3 cup lime juice
2 cups cherry tomatoes, halved
1/2 cup finely diced red onion
1/2 cup chopped fresh cilantro
2 tablespoon extra-virgin olive oil
Freshly ground pepper, to taste
1 avocado, peeled and diced