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5.0 from 3 votes

French Onion Bombs

French Onion Bombs are bursting with the flavors of caramelized onions and creamy Gruyere cheese, all wrapped up and baked in a buttermilk biscuit. Then, they are brushed with a cheesy onion-flavored butter, perfect for an appetizer or snack!

Prep Time
40 mins
Cook Time
40 mins
Total Time
1 hr
Servings: 8 French onion bombs
Calories: 342 kcal
Course: Appetizer

Ingredients

Bombs
  • 2 tablespoons unsalted butter
  • 2 medium yellow onions, diced (about 2 cups)
  • 1 can (8-count) Southern homestyle buttermilk biscuits, not flaky
  • 4 ounces Gruyere cheese, cut into 16 equal-sized cubes, divided
Onion Butter
  • ¼ cup (½ stick / 57 g) unsalted butter, melted
  • ¼ teaspoon kosher salt
  • ¼ teaspoon onion powder
  • 2 tablespoons Gruyere cheese, grated
  • Parsley, finely chopped for garnish

Instructions

Bombs
    Cup of Yum
  1. In a 12-inch oven-safe skillet over medium-high heat, melt butter.
  2. Once melted, add onions and saute for 25-30 minutes. Stir occasionally until the onions are very tender and caramel color. Set aside.
  3. Preheat oven to 375°F.*
  4. Remove the biscuits from the can and place them on a clean work surface. Using a rolling pin, flatten each biscuit to about ⅛-inch thickness.
  5. Top each biscuit with a heaping tablespoon of onions and 2 cubes of cheese.
  6. Fold the edges of the biscuit together, pinching them tightly so there are no holes or gaps. Place the bomb seam side down into the oven-safe skillet. Repeat with the remaining bombs.
  7. Bake for 20-22 minutes, or until the biscuits are golden brown.
Onion Butter
  1. In a small bowl, mix together the melted butter, salt, onion, and Gruyere cheese.
  2. After removing the bombs from the oven, brush the onion butter mixture over the top of each. Serve warm.

Notes

  • *Air Fryer Instructions:
  • Once assembled, place the French onion bombs into the basket of your air fryer in a single layer. Depending on the size of the air fryer, you may have to work in batches. Air fry at 350°F for 11-12 minutes, or until golden brown. After they are done, brush the onion butter over the tops and serve.

Nutrition Information

Serving 1French onion bomb Calories 342kcal (17%)

Nutrition Facts

Serving: 8French onion bombs

Amount Per Serving

Calories 342

% Daily Value*

Serving 1French onion bomb
Calories 342kcal 17%

* Percent Daily Values are based on a 2,000 calorie diet.