Keto Burger Stuffed Onions
If you already love stuffed peppers, you'll FREAK for Keto Burger Stuffed Onions.
Recipe type: Appetizer
  • 4 medium yellow onions
  • Cooking spray
  • 1 lb. ground beef
  • Kosher salt
  • Freshly ground black pepper
  • 1 large egg
  • ½ tsp. Italian seasoning
  • 2 oz. shredded cheddar
  • ¼ c. keto-friendly mayonnaise
  • 1 tbsp. yellow mustard
  • 1 tbsp. capers, chopped
  • 1 tsp. sweet paprika
  1. Preheat oven to 350°. Working one at a time, cut off about ¼-inch from both ends of each onion. Peel onion. Using a melon baller or teaspoon, hollow out the inner layers of the onion (reserve for another use), leaving about ½-inch of onion all around. Coat a baking dish with cooking spray. Arrange onions in prepared dish.
  2. In a medium bowl, season the ground beef with salt and pepper. Add the egg and Italian seasoning and mix to combine. Press meat into the center of each onion, filling each onion halfway. Add half the cheese. Then press remaining meat on top to fill onions.
  3. Bake until onions are tender and beef is cooked through, tenting with foil about halfway through if tops start to darken, about 45 minutes. Top onions with remaining cheese and broil until golden.
  4. Meanwhile make special sauce: Combine mayonnaise, mustard, paprika, and capers and stir to combine. Season with salt and pepper, if necessary.
  5. Serve with special sauce.
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