Step 1

Heat the butter and oil in a large skillet over medium heat. Add the garlic and onions and saute for a minute or so. Pour in the tomato sauce, add sugar, salt and pepper to taste and stir. Cook over low heat for 25 to 30 minutes, stirring occasionally.

Step 2

Cook the pasta according to the package directions. Drain, reserving 1 cup of pasta water.

Step 3

Remove the sauce from the heat and stir in the cream. Add cheese to taste, then check the seasoning. Stir in the pasta and thin with a little pasta water if needed. Add the chopped basil and serve immediately.