Uli s Onion Bacon Sauce

1 stick butter

6 ounces thick-cut bacon, diced

¾ cup diced sweet onion

Melt butter in a skillet over medium-high heat. Add bacon; cook, stirring, until almost crisp, 3 to 4 minutes. Stir in onions. Cook, stirring, until bacon is crisp and onions are soft and translucent, 8 to 10 minutes.