2 bunches cilantro1 head garlic (peeled cloves)1 large white onion cut into quarters4 cups deseeded ???Aji Crystal??? peppers1 can tomato paste (6 ounces)1/4 to 1/2 cup vinegar (to taste)Dashes of the following spices, to taste: cumin, granulated garlic, oregano, paprika, salt and pepper Basically, sofrito is a seasoning paste that is used in Latin American dishes such as rice and beans.