Pulse 2 cups loosely packed watercress leaves, 1/2 cup chopped toasted pecans, 1/2 cup freshly grated Parmesan cheese, 1/2 cup olive oil, 2 garlic cloves, and 1/4 tsp. salt in a food processor until coarsely chopped. Prepare 2 (9-oz.) packages refrigerated cheese-filled tiny ravioli according to package directions; toss with watercress mixture.
Note: We tested with Buitoni Three Cheese Ravioletti.