1. In a lg. skillet, heat the butter and oil. Cook the garlic and shrimp over med. heat, stirring often, until the shrimp begin to turn pink, about 2 min.
2. Add the wine and half the tarragon. Simmer until the shrimp are pink, 2-3 minutes. Stir in the remaining half of the tarragon and season to taste w/salt and pepper.