Crockpot French Onion Meatloaf with Melted Swiss Cheese

A slow-cooked comfort classic elevated with deeply caramelized onions and a gooey, melty cheese finish.

This Crockpot French Onion Meatloaf takes the familiar comfort of traditional meatloaf and transforms it into an indulgent, French-inspired dish full of depth and richness. Sweet onions are slowly caramelized for hours until they become golden, soft, and jam-like. Their buttery sweetness forms the foundation for a perfectly tender meatloaf that cooks right on top, absorbing all the flavor.

After long, slow cooking, the meatloaf becomes incredibly juicy, the onions turn into a silky bed of flavor, and the final touch — a blanket of melted Swiss or Gruyère — brings everything together with irresistible creaminess.

It’s the kind of meal that fills your home with warm, savory aromas all day long — perfect for weekends or cozy evenings when you want a satisfying, low-effort dinner.

🛒 Ingredients

For the caramelized onions:

• 3–4 large sweet onions, sliced
• 4 tbsp salted butter
• 1 tbsp olive oil
• 1 tsp sea salt
• 1 tsp coarse black pepper
• 1 tsp granulated sugar (helps the onions caramelize evenly)

For the meatloaf:

• 1 lb ground beef
• 1 cup Italian herb bread crumbs
• 1 cup milk
• 1 egg
• 1 packet (1 oz) French onion soup mix

Additional flavor:

• ½ cup cooking sherry
• ½ tsp Worcestershire sauce

For finishing:

• 4 oz Swiss, Gruyère, or provolone cheese, sliced or shredded
• Fresh thyme sprigs (optional garnish)

👩‍🍳 Instructions (Long, Detailed Version)

You can find the preparation instructions on page 2.