Bring a covered large pot of lightly salted water to a boil. Add pasta and cook according to package directions. Drain. Meanwhile bring marinara sauce to a boil in a saucepan over med-low heat.
Stir in peas, cover and simmer 2 mins. or until peas are tender. Reuce heat to low, add sour cram and stir until blended. Toss pasta with sauce. Top with basil.Servings: