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Dinner · Part 2 of 3: Instructions

Cheesy Bacon Stuffed Onions for a Savory Weeknight Dinner Step-by-step instructions

Roasted stuffed onions topped with melted cheddar cheese and crispy bacon bits on a baking sheet
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning the recipe, ensure that all necessary ingredients are measured and ready. The onions should be washed and dried thoroughly to ensure they sit securely on the baking sheet.

If using raw bacon, cook it until it is perfectly crispy and drain any excess fat on paper towels before crumbling it. Having the oven preheated to the correct temperature is vital for consistent roasting, so start the oven at least 20 minutes before you intend to assemble the stuffed onions.

Ingredients at a glance (5)
  • 4 large yellow onions, peeled and hollowed
  • 1 lb ground beef
  • 4 slices bacon, cooked and crumbled
  • 1 cup shredded cheddar cheese
  • 1 tsp salt and pepper blend

Instructions

Onion Preparation

  1. Prepare the Onions
    Preheat the oven to 375°F (190°C). Peel the onions and carefully cut off the tops and a small slice from the bottom to allow them to sit flat. Use a paring knife to remove the center of each onion, leaving about two layers of the outer shell intact to create a sturdy cup for the filling.
    Look for The onions should be hollowed out and stable on the baking sheet.
    Tip Save the removed onion centers to chop and add to the meat mixture for extra flavor.

The onions should be hollowed out into sturdy cups, with the bottom leveled off so they sit flat on the baking sheet.

The remaining onion walls should be consistent in thickness, ensuring they will soften evenly during the roasting phase. Check that the hollowed centers are large enough to hold the planned portion of beef filling without overflowing.

Filling Assembly

  1. Make the Filling
    In a large mixing bowl, combine the ground beef, crumbled bacon, half of the shredded cheddar cheese, and the salt and pepper. Mix thoroughly until the ingredients are evenly incorporated. Ensure the beef is handled minimally to maintain a tender texture once baked.
    Look for The mixture should be well combined and uniform in consistency.
    Tip Use your hands to gently mix the ingredients to avoid overworking the meat.

The ground beef, bacon, and cheese mixture should be thoroughly combined. The texture should be cohesive but not overworked, which helps maintain a tender bite. Ensure the seasoning is distributed evenly throughout the mixture. At this stage, the filling should be ready to be portioned into the prepared onion cups, ready for the oven.

Roasting and Finishing

  1. Stuff and Bake
    Divide the beef mixture among the hollowed onion shells, packing it lightly into each one. Place the stuffed onions on a foil-lined baking sheet. Bake for 45 minutes or until the onions are tender and the beef reaches an internal temperature of 160°F (71°C). Top with the remaining cheese during the last 5 minutes of baking.
    Look for The cheese should be melted and bubbling, and the onion edges browned.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Let the stuffed onions rest for 5 minutes before serving to ensure the juices redistribute.

The stuffed onions should emerge from the oven with tender, translucent walls and a perfectly cooked, juicy beef center. The cheese topping will be melted and bubbling, with golden-brown edges. Allow the onions to rest for five minutes, which helps the filling set slightly, making them easier to plate and serve without falling apart.

Common mistakes

Avoid over-hollowing the onions, as the walls need enough thickness to maintain their structure during the long roasting process. Another common mistake is using onion varieties that are too small, which makes them difficult to stuff.

Ensure the beef mixture is not packed too tightly, as this can prevent even cooking and lead to a dense, tough texture. Finally, do not skip the resting period, as it allows the internal juices to stabilize for the best possible flavor.

How to tell it’s done

The dish is considered done when the onion shells are fork-tender, yielding easily to pressure, and the beef filling is fully cooked. A digital meat thermometer should be inserted into the center of the beef, confirming it has reached a safe internal temperature of 160°F (71°C).

The cheese topping should be melted and lightly browned, indicating that the heat has successfully penetrated the entire onion, creating a rich, savory aroma throughout the kitchen.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can other types of cheese be used?
  • How can the onions be kept from falling over?
  • Is it possible to use pre-cooked ground beef?

Also in Part 3: variations (Spicy Stuffed Onions, Herb-Infused Filling), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)