3 beet vinaigrette horseradish Recipes

red beets (about 8 oz total ), fresh lemon juice, prepared horseradish, sherry vinegar, extra-virgin olive oil, kosher salt, skinless cod or pike fillet, more) vegetable oil, divided, smoked whitefish, skin and bones removed, flaked, eggs, beaten to blend, shallot, finely chopped, matzo, finely crushed (about 1/4 cup), chopped fresh chives, chopped fresh dill plus more for serving, freshly ground black pepper

sweet potatoes (about 1 1/2 lb.), parsnips (about 1 lb.), beets (about 1 1/2 lb.), olive oil, salt, pepper, curly endive leaves, horseradish vinaigrette