Balsamic Brussels Sprouts - cooking recipe

Ingredients

1 1/2 pounds Brussels sprouts, trimmed
2 tablespoons olive oil
1 onion, thinly sliced
2 cloves garlic, minced
1/4 cup balsamic vinegar
2 tablespoons butter
1 teaspoon salt
1/2 teaspoon ground black pepper
1/2 teaspoon garlic powder

Preparation

Bring a large pot of lightly salted water to a boil. Add Brussels sprouts and cook until slightly tender, about 2 minutes. Drain and immediately immerse in ice water for several minutes to stop the cooking process. Drain.
Heat olive oil in a skillet over medium heat; cook and stir onion and garlic in the hot oil until onion is just tender, 5 to 10 minutes. Add Brussels sprouts; cook and stir until sprouts are tender, 8 to 10 minutes.
Mix balsamic vinegar, butter, salt, black pepper, and garlic powder into Brussels sprouts mixture; toss to coat.