Ingredients

Juice from 1 grapefruit 

Juice from 1 lime 

Juice from 1 lemon 

1 tablespoon sugar, or to taste 

1/2 cup extra-virgin olive oil 

Coarse salt and freshly ground pepper 

Preparation

In a small bowl, combine grapefruit, lime, and lemon juices. Sprinkle in sugar, and whisk until it dissolves. Gradually add olive oil, whisking vigorously to create an emulsion. Season with salt and pepper to taste.