In 12-inch nonstick skillet, heat 2 tablespoons of the oil over medium-high heat. Add shallots; cook 3 to 4 minutes, stirring frequently, until starting to brown. Add mushrooms; continue cooking 3 to 4 minutes, stirring frequently, until tender. Stir in garlic; cook 30 to 60 seconds or until fragrant. Remove from skillet to small bowl.