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Best Bloomin Onion Dip Recipe – Easy Party Appetizer

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This creamy, cheesy dip captures the flavor of a bloomin’ onion without the deep-frying. Caramelized sweet onions are mixed with cream cheese, sour cream, and melted cheeses, then baked until bubbly and golden.

Ingredients

Scale
  • 2 large sweet onions (Vidalia or Walla Walla)
  • 2 tablespoons unsalted butter
  • 8 ounces cream cheese, softened
  • ½ cup sour cream
  • ¼ cup mayonnaise
  • 1 cup shredded mozzarella cheese
  • ½ cup grated Parmesan cheese
  • 1 teaspoon garlic powder
  • 1 teaspoon smoked paprika
  • ½ teaspoon cayenne pepper (optional)
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 2 tablespoons chopped fresh chives or green onion tops

Instructions

  1. Caramelize the onions: Slice both onions in half from root to tip, then cut into thin half-rings. Melt the butter in a large skillet over medium heat. Add the onions and stir to coat. Cook for about 20-25 minutes, stirring every 3-4 minutes, until they turn deep golden brown and smell sweet. If they start sticking, add a tablespoon of water and scrape the bottom.
  2. Preheat the oven to 375°F (190°C).
  3. Mix the base: In a medium bowl, combine the softened cream cheese, sour cream, and mayonnaise. Beat with a hand mixer or stir vigorously until smooth. Fold in the mozzarella, Parmesan, garlic powder, smoked paprika, cayenne, salt, and pepper.
  4. Combine and transfer: Let the caramelized onions cool for about 5 minutes. Fold them into the cream cheese mixture until fully incorporated. Scrape everything into an 8×8 baking dish and spread evenly.
  5. Bake until bubbly: Place the dish in the preheated oven and bake for 20-22 minutes, until the edges are golden and bubbling. For a browned top, switch to broil for the last 2 minutes, watching closely.
  6. Garnish and serve: Remove from the oven and let rest for 5 minutes. Sprinkle chopped chives or green onions over the top. Serve warm with sturdy chips, toasted baguette slices, or fresh veggie sticks.

Notes

Do not skip caramelizing the onions—low and slow is key. Room temperature ingredients blend better. Taste before baking and adjust seasoning. The dip thickens as it cools. Make ahead for better flavor: assemble, refrigerate, then bake straight from the fridge adding 5-7 minutes.

Nutrition

Keywords: bloomin onion dip, party appetizer, baked onion dip, caramelized onion dip, easy appetizer

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