4 tbsp. butter
1/4 c. finely minced onion
1 (14 oz.) can Italian tomatoes, drained and seeded
1 tbsp. chopped fresh basil
1/4 tsp. salt
Freshly ground pepper
3/4 c. heavy cream
1 (15 oz.) fresh or frozen cheese
Tortellini
Freshly grated Parmesan cheese

In saucepan, melt butter over medium heat; add onion and saute until transparent. In blender, puree tomatoes until smooth. Add pureed tomatoes, basil, salt, and pepper to saucepan. Reduce heat to low; simmer 10 minutes. Whisk in cream; simmer 5 minutes more.

Meanwhile cook tortellini; transfer to a warm serving bowl; add sauce and toss. Sprinkle with Parmesan. 4 servings.