Heat 1 Tbs. of the oil in a 12-inch nonstick skillet over medium-high heat until shimmering. Add the corn and cook, stirring often, until softened, about 2 minutes. Transfer to a medium bowl to cool slightly.
Add the cherry tomatoes, lemon juice, tarragon, the remaining 2 Tbs. of oil, 1/4 tsp. salt, and a few grinds of pepper. Toss and serve.
nutrition information (per serving):
Photo: Scott Phillips