Gather onions, bell peppers, garlic, tomatoes, cilantro, olive oil, salt, and optional ají dulce or culantro
Wash and chop the vegetables and herbs
Heat olive oil in a pan over medium heat
Add onions and bell peppers
Cook until softened
Add garlic and cook briefly
Add tomatoes and herbs
Add salt
Cook until the mixture is soft and fragrant
Blend or pulse to desired texture, if desired
Use immediately or store in a sealed container in the refrigerator