Step 1

In a medium bowl, combine the yogurt, mayonnaise, and dressing mix. Refrigerate for at least 1 hour, or overnight.

Step 2

In a large pot, cook pasta until al dente. Remove from heat, drain, and rinse under cold water.

Step 3

Add tomatoes and bacon. Stir well to combine. Season with salt and pepper. Add lettuce and dressing just before serving so that it does not become too soggy.

Step 4

Serve immediately or refrigerate until ready to serve.