Roasted Asparagus

1 bunch asparagus, trimmed

olive oil

salt

pepper

2 tbsp butter

1 tbsp shoyu

1 tsp balsamic vinegar

Preheat oven to 400 degrees. Arrange asparagus in a single layer on a low-rimmed baking sheet. Coat with olive oil. Be sure to get the tips too. Season with salt and pepper. Roast 12 minutes. Melt butter in microwave. Stir in shoyu and balsamic vinegar. Pour over asparagus before serving.