Combine the chopped shallots and the oil in a jar. Shake well.
Let stand 30 minutes. Refrigerate.
The oil is ready to use as soon as it has taken on the desired flavor, which may be in 1–2 hours. After 2 days, strain the oil through a paper coffee filter. Store in refrigerator.
Per 1 fl oz (29.57 mL): Calories, 240; Protein, 0 g; Fat, 27 g (100% cal.); Cholesterol, 0 g; Carbohydrates, 0 g; Fiber, 0 g; Sodium, 0 mg.