Classic Cobb Mason Jar Salad

To prepare dressing: Whisk mayonnaise, buttermilk (or milk), yogurt, vinegar, mustard, salt and pepper in a medium bowl until smooth. Add cheese and stir, mashing with a spoon until the cheese is incorporated

To prepare salad: Add 2 tablespoons blue cheese dressing to a quart-size mason jar. (Save remaining dressing for another use) Top with cucumber, tomato and onion. Layer in ham, turkey, egg and bacon. Gently toss avocado with lime juice in a small bowl, then add to the jar. Top the salad with blue cheese. Fill the remaining space in the jar with lettuce. Put the lid on the jar and refrigerate.

When ready to serve, shake the salad from the jar into a bowl.