1. Cook pasta. Drain in a colander over a bowl, reserving 1/4 cup cooking liquid.
2. Heat oil in medium saucepan over medium-low heat. Add shallots; cook 5 minutes, stirring frequently. Add wine; simmer 8 minutes or until reduced to about 1/2 cup. Add sour cream, stirring with whisk until smooth. Remove from heat; stir in peas and salmon.
3. Combine pasta and reserved cooking liquid with cream sauce. Stir in juice and tarragon. Let stand 3 minutes for pasta to absorb sauce. Season with salt and pepper, if desired. Serve warm.
Note: Nutritional analysis includes Sugars 7g.