El Ranch-O Dressing

1 C. buttermilk

1 T. freshly squeezed lime juice

1 T. minced cilantro

1 t. minced fresh oregano

1 T. finely diced yellow onion

2 t. minced garlic

1/2 t. salt

2 t. black pepper

1 1/2 C. cold mayonnaise

Combine the buttermilk, lime juice, cilantro, oregano, onion, garlic, salt and pepper, whisking until combined. Add the mayonnaise and whisk until smooth. Cover and refrigerate for hour to develop flavors.

The dressing will keep for up to one week in an airtight container.

Makes 2 1/2 cups.