Ingredients

1/3 c buttermilk

1/4 c chopped fresh cilantro

2 T sour cream

1 T mayo

1/2 lime rind

1/4 t minced garlic

1/4 t salt

1/8 t ground cumin

4 medium heirloom tomatoes

1/4 t salt

1/4 c very thinly vertically sliced red onion

1 c diced peeled avocado

pepper

Preparation

To prepare dressing, combine first 9 ingredients in a small food processor or blender; process 30 seconds or until pureed, scraping sides of bowl occasionally. Cover & chill.

To prepare salad, slice each tomato crosswise into 4 equal slices (about 1/2 inch thick.) Place 1 tomato slice on each of 4 salad plates; sprinkle slices evenly w/ 1/4 t salt. Top each serving w/ a few onion pieces & about 1 T avocado. Drizzle 2 T dressing over each serving; sprinkle w/ black pepper, if desired.