3 potato and greens torta Recipes

yukon gold potatoes, fine sea salt, divided, extra-virgin olive oil, garlic cloves, minced, torn romaine lettuce, fresh spinach leaves, arugula leaves, reduced-fat milk, shredded fontina cheese, eggs, lightly beaten, dry breadcrumbs, grated fresh pecorino romano cheese

all-purpose flour (about 1 3/4 cups), black pepper, salt, chilled unsalted butter, cut into small pieces, chilled vegetable shortening, cut into small pieces, ice water, golden beets with greens, yukon gold potatoes, onion, chopped, minced garlic, fresh spinach, salt, divided, black pepper, divided, eggs, egg white, fontina cheese, shredded (about 2/3 cup), parmigiano-reggiano cheese, grated (about 1/4 cup)