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Jammy Hot Caramelized Onion Dip with Gruyere

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This indulgent dip combines deeply caramelized onions, gooey Gruyere cheese, and a touch of cream for the ultimate savory appetizer. Perfectly jammy and rich, this hot dip is ideal for holiday gatherings, game days, or cozy nights in. Serve it with crusty bread, crackers, or veggie sticks for a crowd-pleasing snack.

Ingredients

Scale
  • 3 large onions, thinly sliced
  • 2 tbsp unsalted butter
  • 1 tbsp olive oil
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 1/2 tsp sugar (optional, for faster caramelization)
  • 1/4 cup dry white wine (optional, for deglazing)
  • 1 cup grated Gruyere cheese
  • 1/2 cup shredded mozzarella cheese
  • 4 oz cream cheese, softened
  • 1/2 cup sour cream
  • 1/4 cup mayonnaise
  • 1 tsp fresh thyme leaves (optional, for garnish)

Instructions

  1. Caramelize the Onions:
    • Heat butter and olive oil in a large skillet over medium heat.
    • Add the sliced onions, salt, and pepper. Cook, stirring occasionally, until the onions are golden brown and caramelized, about 30–40 minutes.
    • If the onions start to stick, deglaze the pan with a splash of white wine or water. Stir to scrape up the browned bits.
    • Remove from heat and let cool slightly.
  2. Preheat Oven:
    • Preheat your oven to 375°F (190°C).
  3. Mix the Base:
    • In a large mixing bowl, combine cream cheese, sour cream, and mayonnaise. Mix until smooth.
    • Stir in half of the Gruyere, the mozzarella, and the caramelized onions.
  4. Assemble and Bake:
    • Transfer the mixture to an oven-safe dish or skillet.
    • Top with the remaining Gruyere cheese.
    • Bake for 20–25 minutes, or until bubbly and golden on top.
  5. Garnish and Serve:
    • Sprinkle with fresh thyme leaves, if using.
    • Serve hot with slices of baguette, crackers, or fresh veggies.


Notes

  • For extra flavor, add a pinch of crushed red pepper flakes or a splash of balsamic vinegar to the onions while caramelizing.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave.
  • Gruyere can be substituted with Swiss cheese or a sharp white cheddar if desired.