Spinach/1 package frozen chopped spinach, thawed and drained
1 Pound, trimmed and chopped
Grated parmesan cheese
Place the pine nuts, garlic, lemon juice, spinach, and olive oil in an electric blender or food processor, and whirl for 1 minute.
Transfer to a small bowl and mix in the cheese; set aside.
Cook the tortellini according to package directions, omitting the salt.
Drain, rinse under cold running water, and drain again.