Step 1

Heat oil in a large skillet over medium heat. Add onion, and cook, stirring, until soft, about 3 minutes.

Step 2

Add the chorizo (casings removed) and keep cooking about 8-9 minutes. Stirring from time to time.

Step 3

While the chorizo is cooking place the tomato, serrano pepper and 1 cup of water in a saucepan and cook on medium heat until tomatoes and pepper are tender. After cooking, place the tomato and pepper with a 1/4 cup of the water in your blender and process until you have a smooth sauce. Set aside.

Step 4

Once the chorizo has cooked add the nopales and stir.

Step 5

Add the sauce and let it simmer for a few minutes just to let the flavors to blend. Adding more water if the food in the skillet becomes too dry. Season with salt and pepper.

Step 6

Serve immediately with corn tortillas.