AMARATH. Edible parts: The whole plant – leaves, roots, stem, seeds. The Amarath seed is small and very nutritious and easy to harvest, the seed grain is used to make flour for baking uses. Roasting the seeds can enhance the flavor, also you can sprout the raw seeds using them in salads, and in sandwiches, etc. Young leaves can be eaten raw or cooked like spinach, sautéed, etc. Fresh or dried pigweed leaves can be used to make tea.