In a large skillet, melt the butter on a very low heat. Then, gently whisk in the cream. Whisk the liquid together until they emulsify and are heated through.
Step 2
Whisk in the asiago cheese in 2-3 additions, making sure the cheese has melted before adding more. You can bring the heat up slightly to help melt the cheese.
Step 3
Allow the sauce to cool and thicken for a few minutes before using. Enjoy!