Punch up a jar of marinara sauce with these easy add-in suggestions.
Stir in 1/4 cup pitted, chopped Kalamata olives and 1 teaspoon lemon zest; heat through. Toss with pasta; sprinkle on 1/3 cup crumbled feta cheese.
Mix in 1/2 cup heavy cream and 2 tablespoons vodka; simmer 7 minutes.
Cook 1/4 cup chopped prosciutto or ham and 1 small onion, diced, in 1 tablespoon olive oil until onion is tender, about 10 minutes; spoon into heated sauce.