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Hot & Cheesy French Onion Dip

5 from 2 votes
This warm, cheesy dip is super creamy and full of caramelized onion flavor. Serve with crackers, bread, or chips.
Prep Time 15 minutes
Cook Time 1 hour 25 minutes
Total Time 1 hour 40 minutes
Servings12 (1/4 cup) servings

Ingredients

Caramelized Onions and Garlic

  • ½ tablespoon butter
  • ½ tablespoon olive oil
  • 2 medium-large sweet onions thinly sliced
  • 1 pinch kosher salt
  • 6-8 cloves garlic minced or pressed

Dip

  • 2 8- ounce packages cream cheese softened to room temperature
  • 1 cup sour cream or mayonnaise, or half sour cream and half mayonnaise
  • salt and pepper to taste
  • ½ cup freshly grated Parmesan cheese
  • ½ cup freshly grated Gruyere or mild Swiss cheese

Instructions

Caramelized Onions

  • Heat a large sauté pan (large enough for your onions to spread out and have contact with the bottom) over medium heat. Add the butter and olive oil, and then the onions. Do not add the garlic yet!
  • Add your sliced onions and toss them in the butter and oil until they are all coated. Turn your heat down, and add a sprinkle of kosher salt. Cook and stir occasionally.
  • You want to caramelize your onions low and slow. After about 10-20 minutes they should be nice and soft with a few brown pieces. After 20-30 minutes, the brown color will increase. Continue until the onions are a deep, golden brown.
  • In the last 5 minutes or so, add the garlic, stirring frequently to prevent the garlic from scorching.

Dip

  • Preheat oven to 425℉.
  • In a pie plate or an 8×8″ pan, combine the cream cheese, Parmesan, Gruyere, and the caramelized onions.
  • Bake in the preheated oven for 15-20 minutes or until golden on top and hot in the middle. Serve immediately with sliced baguette, pieces of sourdough bread, tortilla chips, or potato chips.

Notes

  • Caramelizing onions takes time. You can caramelize your onions for this recipe ahead of time if you'd like. Just store them in an airtight container in the fridge until ready to assemble your dip. See this post on How to Caramelize Onions for more thorough instructions and reference pictures for each step. 
  • You can also caramelize onions in the oven for a more hands-off approach:
    • Preheat oven to 400℉. Place onion in a heavy Dutch oven and toss with melted butter and olive oil. Cover pot and cook for 1-1 ½ hours, stirring every 20 minutes, until a caramel brown color. Tip: You might want to decrease oven temperature after about 45-60 minutes to 350℉, and start stirring every 15 minutes to avoid burnt edge bits. Remove from oven and set aside to cool.

Nutrition

Serving: 0.25cup, Calories: 189kcal, Carbohydrates: 7g, Protein: 6g, Fat: 16g, Saturated Fat: 9g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 4g, Trans Fat: 0.02g, Cholesterol: 45mg, Sodium: 198mg, Potassium: 135mg, Fiber: 1g, Sugar: 4g, Vitamin A: 537IU, Vitamin C: 3mg, Calcium: 161mg, Iron: 0.3mg
Course: Appetizers, Dips
Cuisine: American
Keyword: Hot & Cheesy French Onion Dip
Calories: 189kcal
Cost: $12
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