We have lemongrass in stock - 9/30 Recipe for curry chicken:

Yellow Curry Sauce Ingredients:

• 1-2 red chilies (or substitute green), depending on desired spiciness, OR 1/2 to 1 tsp. cayenne pepper
• 2 shallots (or 1 small cooking onion)
• 1 thumb-size piece galangal (see Glossary) OR ginger, sliced
• 3 large cloves garlic
• 1 tsp. ground coriander
• 1 tsp. ground cumin
• 1/4 tsp. fresh nutmeg (or substitute cinnamon)
• 3 Tbsp. fish sauce (available at Asian/Chinese food stores)
• 1 tsp. dried turmeric OR 1 thumb-size piece fresh turmeric, thinly sliced
• 1 Tbsp. brown sugar
• 4 fresh or frozen kaffir lime leaves, snipped into small pieces with scissors (discard central stem) [Note: -Kaffir lime leaves:
  http://www.thaitable.com/Thai/Ingredients /kaffir_lime_leaves.htm ]
• 1 can coconut milk
• 1 Tbsp. fresh lime juice (or juice from 1/2 lime)
• 1 Tbsp. ketchup OR 1 Tbsp. tomato paste + 1 tsp. sugar

Other ingredients:

• ½ chicken chopped into pieces
• 1 stalk lemon grass (for more information, see below)
  
• 2 potatoes, chopped into wedges or small chunks
• 1 green and/or red bell pepper, de-seeded and sliced
• 1-2 additional kaffir lime leaves, left whole
• approx. 1 cup cherry tomatoes
• 1/2 loose cup fresh coriander OR fresh basil to finish the dish 

How to use lemon grass in cooking:

http://thaifood.about.com/od/thairecipesstepbystep/ss/lemongrasshowto.htm