(TrendHunter.com) Trader Joe's has yet again expanded its range of pre-made pasta sauces with the debut of its new Pesto Rosso. Trader Joe’s Pesto Rosso is a delicious take on pesto and delivers the taste of... (TrendHunter.com) Trader Joe's has yet again expanded its range of pre-made pasta sauces with the debut of its new Pesto Rosso. Trader Joe’s Pesto Rosso is a delicious take on pesto and delivers the taste of...