If you’re looking for a simple yet gourmet bite, this Caramelized Onion & Brie Toast is the ultimate way to elevate your snack or appetizer game. Crispy, buttery sourdough topped with melty Brie and sweet, golden caramelized onions creates a flavor explosion that’s both comforting and sophisticated. Whether you’re making it for a cozy night in or impressing guests, this recipe is a guaranteed hit.
Brie has long been known as the “Queen of Cheeses,” dating back to French royalty in the 8th century. Its creamy, buttery texture pairs beautifully with the deep, rich sweetness of slow-cooked onions. The contrast of savory, sweet, and tangy flavors makes every bite irresistible.
Even better, this toast is incredibly easy to make! You just need a handful of ingredients, a little patience for caramelizing those onions, and about 30 minutes. Before you know it, you’ll be sinking your teeth into something decadent, crispy, and cheesy—with just the right touch of honey and fresh thyme to bring it all together. Ready to dig in? Let’s get started!
Recipe Yield: 4 servings
INGREDIENTS
4 slices sourdough bread
6 oz Brie cheese, sliced
3 medium yellow onions, thinly sliced
1 tbsp honey
2 tbsp butter (for onions)
2 tbsp butter (for toasting)
1 tbsp olive oil
1/2 tsp salt
1/4 tsp black pepper
1/2 tsp sugar
1 tbsp balsamic vinegar
Fresh thyme leaves (for garnish)
INSTRUCTIONS
1. Caramelize the onions: In a large skillet over medium-low heat, melt 2 tbsp butter with olive oil. Add sliced onions, salt, sugar, and black pepper. Stir occasionally and cook 30-35 minutes until deeply golden and soft. Stir in balsamic vinegar and cook 2 more minutes. Set aside.
2. Toast the bread: Spread butter on one side of each slice of sourdough bread. Heat a skillet over medium heat and toast each slice, butter-side down, until golden brown, about 2-3 minutes per side.
3. Melt the Brie: Lay Brie slices on the toasted bread and place in a warm oven (400°F/200°C) for 2-3 minutes, until the cheese just begins to melt.
4. Assemble & serve: Spoon the caramelized onions over the melted Brie. Drizzle with honey and garnish with fresh thyme leaves. Serve warm and enjoy!
HELPFUL TIPS TO PERFECT THIS RECIPE
- The Secret to Perfect Caramelized Onions: Be patient! Cooking the onions low and slow for at least 30 minutes ensures they become sweet, jammy, and deeply golden without burning.
- Choosing the Right Brie: Opt for triple-cream Brie for the creamiest melt. If you prefer a slightly stronger flavor, go for double-cream Brie.
- Elevate It Even More: A sprinkle of crushed walnuts or a light spread of fig jam before adding the onions will take this toast to gourmet levels.
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