Balsamic Brussels Sprouts

Ingredients (9)

• + 1 ½ pounds Brussels sprouts, trimmed add to pantry
• ✓ 2 tablespoons olive oil
• + 1 onion, thinly sliced add to pantry
• + 2 cloves garlic, minced add to pantry
• + ¼ cup balsamic vinegar add to pantry
• ✓ 2 tablespoons butter
• + 1 teaspoon salt add to pantry
• ✓ ½ teaspoon ground black pepper
• + ½ teaspoon garlic powder add to pantry