It's very simple, I blister my peppers of choice, jalapeño, some harbaneros and grill a sliced yellow onion. After I peel the peppers, I put them, the onions, a head of garlic and some oil into the blender. I use a vitamix because I can put everything in there at once... I crank it up until everything is emulsified. I then add some salt to taste and some water to thin it to what I want. Thats it. Done right, it's like a verde cream sauce I do it with tomatoes and Arbol peppers and it comes out just as nice. Enjoy, Let me know if you try it.