Healthy, light and beautiful salad with refreshing citrus taste will be a great start to a festive dinner. Pieces of avocado is better to spread so that they do not press down the delicate lettuce. In recipe salad of frisee, but you can add arugula to give it more spice. If you like spicy, you can sprinkle the salad with a small amount of finely chopped chili pepper.
Lettuce a good wash and break it into small sprigs. Finely grate the zest of half a grapefruit. Remove all skin from grapefruit and divide into segments. Onions finely chop.
Mix the zest, onion, vinegar, lemon juice and a pinch of salt. Leave to infuse for 15 minutes.
Gradually pour in oil, constantly whisking the dressing with a whisk.
Avocado clean, remove the seeds and cut into slices of medium thickness. Put the avocado slices on the plates and immediately pour a small amount of dressing, so they do not darken. Salt and pepper. Put the lettuce leaves in a separate bowl, generously pour them with dressing and gently stir. Add salt and pepper if necessary. Put the lettuce leaves in a plate on top of the avocado. Add grapefruit slices and garnish with cilantro leaves. Serve with remaining dressing.