3 illustrated make ahead Recipes

russet potatoes, peeled and cut into 3/4 inch cubes (about 9 medium), table salt, distilled white vinegar, mayonnaise, celery ribs, medium and chopped fine (about 1 cup), sweet pickle relish, red onion, minced, fresh parsley leaves, fresh and minced, celery seeds, mustard powder, ground black pepper, salt, hard-cooked eggs, peeled and cut into 1/4-inch cubes

unsalted butter, leek, white and light green parts halved lengthwise, washed, and chopped small (about 1 cup), garlic cloves, minced-pressed through a press (about 1 tbsp), heads garlic , rinsed-papery skins removed and top third of heads cut off and discarded, low sodium chicken broth or 6 cups vegetable broth, bay leaves, russet potatoes, peeled and cut into 1/2-inch cubes (about 4 1/2 cups), red bliss potatoes, unpeeled-cut into 1/2-inch cubes (about 3 cups), low sodium chicken broth or 1 cup vegetable broth, heavy cream, fresh thyme leaves, minced, ground black pepper, fresh chives, minced, olive oil, garlic cloves, sliced thin lengthwise, table salt