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Crockpot French Onion Beefloaf

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The best slow-cooked beefloaf topped with sweet caramelized onions and melty Swiss cheese. A rich and comforting French-inspired dinner, perfect for cozy nights.

Ingredients

→ Beefloaf Base

900 grams ground beef

120 grams breadcrumbs

50 grams grated Parmesan cheese

60 milliliters whole milk

2 large eggs

15 milliliters Worcestershire sauce

5 grams fine sea salt

2 grams freshly ground black pepper

→ Topping

2 large yellow onions, thinly sliced

28 grams unsalted butter

240 milliliters beef broth

8 slices Swiss cheese

Instructions

Prepare the Beefloaf Mixture: In a large mixing bowl, combine ground beef, breadcrumbs, Parmesan, milk, eggs, Worcestershire sauce, salt, and pepper. Mix thoroughly until fully blended.

Shape the Loaf: Let the beef mixture rest for 10 minutes, then form into a compact loaf and place into the bottom of a crockpot.

Caramelize Onions: In a skillet over medium heat, melt butter. Add sliced onions and cook for about 20 minutes, stirring occasionally, until deeply golden and soft.

Deglaze and Enrich: Add beef broth to the onions and simmer for 2 minutes, scraping up any browned bits to create a rich topping.

Top the Loaf: Spoon the onion and broth mixture evenly over the beefloaf in the crockpot.

Slow Cook: Cover and cook on low for 6–8 hours, or until fully cooked through and internal temperature reaches at least 160°F (71°C).

Add Cheese: About 10 minutes before serving, layer Swiss cheese slices over the top of the loaf. Cover and let melt completely.

Serve: Slice and serve warm, ensuring each piece gets a generous topping of onions and melted cheese.

Notes

Letting the beef rest before shaping improves texture.

Freshly grated Swiss melts more smoothly than pre-sliced.

For added depth, add a splash of balsamic vinegar to the onions during caramelization.

Leftovers make great sandwiches the next day.