Marjoram is in the same family as oregano, and their appearance and flavor is similar. Found is many herb blends, marjoram is warm and peppery and can be used in both sweet and savory preparations. Add to pasta sauce, rice dishes and to muffins. Add marjoram to your next pasta dish for a subtle peppery flavor, use 1 teaspoon marjoram per 3 cups liquid. Marjoram may help boost immune systems and aid in digestion.