Rinse and pat shrimp dry with paper towles. Heat butter and oil in large skillet over med heat. When butter is melted, add garlic cook 30 seconds.Add shrimp; cook 2 minutes, stir often. Stir in tequila, lime juice, salt and red pepper. Cook 2 minutes till loist and liquid evaporates and shrimp are pink and glazed. Add cilantro and cook 10 seconds, serve over hot rice if desired.