medium shrimp, peeled and deveined
garlic clove, finely chopped
ancho chilies, cut open, seeds and stems removed
dried Mexican oregano, crumbled
coarsely chopped onion
hot tap water
finely chopped fresh cilantro
- In a medium skillet, heat the oil over medium heat, and cook the shrimp, garlic, and 1/4 teaspoon salt, stirring until the shrimp are pink, 3-4 minutes.
- Remove the shrimp to a bowl, cover and refrigerate.
- Reserve the skillet for the sauce.
- In a small skillet, heat the vinegar until warm.
- Cut or tear the ancho chiles into pieces and soak in the vinegar until soft, about 20 minutes.
- Remove the anchos and put them in a blender with the oregano, onion, sugar, and hot tap water.
- Discard the vinegar.
- Blend to a smooth puree.
- Heat the same skillet used for cooking the shrimp, and cook the pureed chile mixture, stirring, until thickened, about 5 minutes.
- Transfer to a bowl and cool.
- To serve, pool the sauce on a serving plate.
- Arrange the shrimp in an overlapping pattern on the sauce.
- Scatter cilantro on top; serve as an appetizer with toothpicks.