Fill Base of Smart Multi-Cooker with 13⁄4-cup water to the max fill line for steam. Place Large Shielded Colander in Base.
Place asparagus in Large Shielded Colander.
Cover with the Shielded Cover and microwave on high power 12–14 minutes.
Meanwhile, melt the butter in a Chef Series II skillet over medium heat. Cook until the foam has subsided and the butter turns a deep golden brown, about 4 minutes. (Take care that it doesn't burn.)
Stir in the nuts and cook until fragrant, about 2 minutes.
Stir in the garlic and thyme and cook until fragrant, about 30 seconds. Remove from heat and whisk in the cheese. Season with salt and pepper.
Spoon nut mixture over warm asparagus and serve at once.