Combine red peppers, mayonnaise, lemon juice, garlic, salt, pepper, cayenne and saffron in a food processor; pulse, scraping down the sides as necessary, until smooth.Advertisement
Make Ahead Tip: Cover and refrigerate for up to 4 days.
Tip: Saffron is the dried stigma of a saffron crocus. It contributes a pungent flavor and intense yellow color to classic dishes like paella. Saffron is sold in threads and powdered form.