Heat olive oil in sauté pan to a sizzle over a medium flame. Add garlic and sauté until soft, for about 2 minutes. Add shrimp and cook until pink on one side, about 2 minutes.
Turn shrimp, add ginger and serrano chile. Cook shrimp until pink throughout, about 3 additional minutes. Add lime juice, toss with shrimp, and remove from flame. Serve immediately on two plates, garnishing with cilantro.