- 1 (16 ounce) package uncooked penne pasta
 - 1/4 pound bacon
 - 1 pound cooked shrimp, peeled and deveined
 - 2 avocados – peeled, pitted and diced
 - 1 cup shredded Cheddar cheese
 - 1 cup mayonnaise
 - 1/4 cup lemon juice
 - 2 tomatoes, diced
 - 1 teaspoon crushed red pepper
 - 4 cups shredded lettuce
 
- Bring a large pot of lightly salted water to a boil. Place pasta in the pot, cook for 8 to 10 minutes, until al dente, and drain. Rinse under cold running water to cool.
 - Place bacon in a skillet over medium high heat, and cook until evenly brown. Drain and crumble.
 - In a large bowl, gently toss together the pasta, bacon, shrimp, avocados, Cheddar cheese, mayonnaise, lemon juice, tomatoes, and red pepper. Serve over lettuce.