Asparagus season is here, and this miso butter-roasted asparagus is the first thing I want to make the moment I see those bright green bundles at the farmers' market.
Heat oven to 425ºF (220ºC). Trim or snap the woody ends from the asparagus (about 2” / 5cm from the bottom).
Arrange on a baking sheet and toss with the oil and season with salt and pepper. Roast the asparagus for 10 minutes.
In a small bowl, stir together the butter and miso paste until fully combined, then set aside.
Remove the asparagus from the oven and top with the miso mixture, tossing to combine. Continue roasting until the asparagus is tender and lightly browned in spots, about an additional 4 minutes.
Serve topped with sesame seeds.
Notes
Don't overcrowd the pan. Spread the asparagus in a single layer with space between each spear. Overcrowding creates steam and prevents browning —use two sheet pans if needed.