Remove the tip of each pepper and discard any unwanted seeds.Insert a mozzarella stick and trim just at or right below the opening of the pepper. Repeat until all of the peppers are filled.Drizzle olive oil in a large skillet and turn heat to medium low. Combine sour cream, water, seasoning and sundried tomatoes and stir until the consistency is uniform.Sprinkle in parmesan cheese and turn heat to medium. Continue to stir until the cheese begins to melt.Add stuffed peppers to the skillet in a even layer. Bring to a simmer, cover and reduce heat to medium low. Baste the peppers in the cream and continue to cook until they begin to soften and the sauce thickens.*Optional* Remove lid and place under broiler for about 3 minutes watching carefully until sauce slightly browns.Garnish with fresh basil and serve hot!