Toast the walnuts in a hot pan. Wash the spinach leaves, spin dry and chop.
Toss the dates and the spinach leaves together in a large bowl with the walnuts, 1/3-cup olive oil, feta cheese, lemon juice, and pepper. Set aside.
In a small skillet, heat 1 tablespoon of olive oil and sauté the garlic slices for about 30 seconds. Remove garlic and add the breadcrumbs to the pan and cook over medium heat until lightly browned.
Cook the pasta in salted water until tender, following the directions of the package. Drain.
Toss the spinach mixture with the cooked pasta and season to taste. Divide among four to six plates and sprinkle on top with toasted breadcrumbs.
