Can be prepared in 45 minutes or less.

Ingredients

　　2 tablespoons fresh lime juice

　　1 tablespoon fresh lemon juice

　　1/2 teaspoon cumin

　　1/2 teaspoon chili powder

　　1/2 teaspoon salt

　　1/3 cup vegetable oil

　　In a bowl whisk together the lime juice, the lemon juice, the cumin, the chili powder, and the salt, add the oil in a stream, whisking, and whisk the vinaigrette until it is emulsified.