Balsamic Roasted Green Beans

serves 4
2 cups fresh-frozen green beans (uncooked ones that are flash frozen while they are fresh)
2 tsp olive oil
2 tsp balsamic vinegar
sea salt
pepper
Preheat the oven to 400 degrees. Line a baking sheet with aluminum foil.
Spread the green beans on the aluminum foil. Drizzle with olive oil and balsamic vinegar. Use a wooden spoon to stir gently. Sprinkle with salt and pepper.
Roast the green beans in the oven for 15 minutes or so, until lightly browned at the edges. Serve.