Directions. Heat a bit of olive oil or butter in a skillet, then toss in the onions. https://www.foodnetwork.com/recipes/basic-sofrito-recipe-1955953 The sofrito will keep in the refrigerator for up … Chop the onion and cubanelle or Italian peppers in the work bowl of a food processor until coarsely chopped. Roughly dice these three types of vegetables. With the motor running, add the remaining ingredients one at a time and process until smooth. The vegetables are roughly chopped into very small pieces and cooked in olive oil over low heat for anywhere between 30 minutes to an hour, or more. When they’re translucent and smell good enough to make you hungry, add in the carrots and celery. Add the minced vegetables and cook on a low heat until soft and golden, then pour in half a glass of your favourite red wine and let it reduce – this will add body and character. It is an old, traditional recipe, so be sure to drizzle plenty of olive oil into your pan. DIRECTIONS. Place garlic and remaining ingredients in a food processor; cover and process until finely chopped. Use immediately or refrigerate for up to 1 week. Separate and peel garlic cloves. Cook, stirring occasionally, until all of … May also be frozen in small portions in resealable freezer bags for up to 1 month.