Bring the broccoli to the boil in 100 ml water without defrosting it. Cook over medium heat for about 10 minutes. In the meantime, roast the pine nuts in a dry pan until golden brown. Add cream to the vegetables and bring to the boil.
Roughly chop the cheese, stir in. Sprinkle in sauce thickener. Season with salt and pepper. Heat tortelloni in boiling salted water for 1 minute. Serve sprinkled with the sauce and pine nuts.