Recently added to Harvestcraft as of Update 1.7.10Lb.
Sesame Seeds can be obtained when harvesting Tropical Garden.
Roasted Sesame Seeds = Sesame Seeds in a Furnace or Oven
Sesame Ball = Pot + Sesame Seeds + Cooking Oil + Bean + Sugar + Flour
Sesame Snaps = Skillet + Sesame Seeds + Sugar
Kimchi = Pot + Salt + Cabbage + Garlic + Ginger + Radish + Scallion + Sesame Seed + Spiceleaf/Curry Powder