Step 1

Heat a tablespoon of oil in a dutch oven or heavy bottomed pan over a high heat. Season the beef with salt and pepper.

Step 2

Once hot add the beef and cook until browned. Remove the beef from the pot and set aside. Turn the pot down to a medium high heat.

Step 3

Add the onions, peppers, garlic, ginger, chilies, lemongrass and lime zest to the pot. Cook while stirring occasionally until the onions turn translucent, about 5 minutes.

Step 4

Add the coconut milk, stock, curry paste, peanut butter, lime juice and fish sauce to the pot and stir to combine. Turn the heat to high and let it come to a boil.

Step 5

Turn the pot to a simmer and add in the cooked beef. Mix the cornstarch and water together and stir this in. Remove the lemongrass.

Step 6

Simmer for 5 minutes until the sauce has thickened and serve.