Cook a 10 oz package of frozen peas and drain thoroughly    Place the peas in a food processor and process until smooth    Return the pureed peas to the pan in which they were cooked    add 1/2 tsp salt, 1/4 tsp pepper, 1/2 tsp sugar or to taste, 3 tsp chopped fresh mint (optional) and 6 Tbsp – 3/4 stick – butter or a broth and beat by hand until well blended    When ready to serve, cook over medium low heat, stirring constantly, until hot, adding a little more butter, or milk, or broth, if the puree seems dry