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Sweet Vidalia Onion Dip Recipe Everyone Will Love

Sweet Vidalia Onion Dip

A warm, creamy baked dip combining sweet Vidalia onions with mayonnaise, sour cream, Swiss cheese, and Parmesan. It is bubbly, savory, and perfect for serving with crackers, toasted bread, pita chips, or vegetables.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 8 servings
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 3 cups Finely chopped Vidalia or other sweet onions
  • 1 cup Mayonnaise
  • 1 cup Sour cream
  • 1 cup Shredded Swiss cheese
  • 1/2 cup Grated Parmesan cheese
  • 1/4 teaspoon Black pepper
  • 1/4 teaspoon, optional Salt
For Serving
  • As needed Crackers, toasted baguette slices, pita chips, or vegetables

Method
 

Step-by-Step
  1. Heat the oven to 350°F. Finely chop the onions so they soften evenly and distribute throughout the creamy mixture.
  2. For a milder, sweeter flavor, sauté the chopped onions in a small amount of butter or oil over medium heat for 5–8 minutes, just until softened. Cool them briefly before mixing; you may also use the onions raw, allowing them to cook during baking.
  3. In a bowl, stir together the mayonnaise, sour cream, Swiss cheese, Parmesan, black pepper, and optional salt.
  4. Fold the chopped onions into the cheese mixture until they are evenly distributed.
  5. Transfer the mixture to an 8-inch square baking dish or 1-quart casserole. Spread the top into an even layer.
  6. Bake uncovered for 25–30 minutes, until the dip is hot, bubbling throughout, and lightly browned around the edges.
  7. Let the dip rest for 5–10 minutes before serving so it thickens slightly. Serve warm with crackers, toasted baguette slices, pita chips, or vegetables.

Notes

Drain or briefly sauté very juicy onions so excess moisture does not make the dip thin or greasy. Freshly grated cheese browns nicely, and the finished dish may be placed under the broiler for 1–2 minutes at the end, watched closely. Optional variations include mozzarella or cheddar, 1/2 teaspoon Worcestershire sauce, a few dashes of hot sauce, or cream cheese for a richer version.