- 4 serrano chile peppers, or to taste
- 2 cloves garlic
- 1 cup packed fresh cilantro leaves
- 1 teaspoon salt
- 1 egg
- 1 cup olive oil
- Place the chile peppers, garlic, cilantro, salt, and egg into the bowl of a blender. Puree until smooth, then, with motor running, slowly pour in the olive oil. Continue blending for a minute or two until the sauce acquires a mayonnaise-like texture.