Delish! My hubby requests his all the time as he is addicted to the sauce!

Before you do anything else, make sure your slow cooker is heated up by setting it on low heat.
Scatter the thinly sliced onions into a pan with the melted butter and set it over medium heat. After seasoning with salt, reduce the heat and simmer, stirring regularly, until the sugars have caramelized, about 10 to 15 minutes. Patience is a virtue that brings sweetness; it’s a gradual process, my darling.

Next, add the slow cooker to cook the delicious caramelized onions. No need to defrost the frozen meatballs before adding them to the recipe; they will cook perfectly.

Carefully add the beef stock, ensuring that the meatballs are well-immersed. Before covering your slow cooker, stir in the garlic powder, thyme, and Worcestershire sauce.

Simmer on low for approximately 6 hours to allow the flavors to combine.

Add the shredded Swiss cheese to the meatballs and allow it to melt into a lovely topping about 30 minutes before serving.

After all the ingredients are heated and the cheese has melted, taste it and season with additional salt and black pepper if necessary. If desired, garnish with fresh parsley.

PAID LISTING

Tips and Variations—For an extra crunch, top each serving of meatballs with a few pieces of broiler-toasted bread topped with Swiss cheese.

A For those who enjoy things on the spicy side, try caramelizing the onions in a little brandy, just as in traditional soup.

A To make it heartier, add cooked egg noodles in the last hour of simmering and allow them soak up some of the flavorful sauce.

A Always feel free to incorporate your own flavors and touches into your cuisine, much like when quilting – everyone has their own unique pattern to follow.

Enjoy!