Citrus & Avocado Salad With Tangy Tarragon Vinaigrette & Herbed Buttermilk Croutons

Ingredients

• zest of ½ of 1 grapefruit, 1 orange, 1 tangerine, and 1 meyer lemon
• two red grapefruits
• two white grapefruits
• four oranges
• six tangerines (here, i chose pixies)
• 3 meyer lemons
• 1 regular lemon
• 4 haas avocados
• 1 head of escarole
• 1 eight inch section of day old baguette, cut into half inch chunks
• 3 tablespoons buttermilk powder
• small handful of fresh chervil
• small handful of fresh tarragon
• 1 clove of garlic
• ¼ teaspoon sea salt
• ½ teaspoon fresh cracked black pepper
• ¼ cup of olive oil
• all of the juice from the citrus supremes
• 2 tablepoons sauvingnon blanc vinegar
• 1 sprig fresh tarragon (leaves only), finely chopped
• 1 tablespoon avocado honey
• ¼ teaspoon sea salt
• 1 small fresh shallot, very finely chopped
• ¼ cup olive oil