Southern 3-Ingredient Baked Onion Dip

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This 3‑ingredient baked onion dip is the kind of dish that vanishes at church potlucks and neighborhood gatherings before you can even set the spoon down. It leans on a classic Southern trick: start with a humble pantry staple (condensed soup), add plenty of cheese, and let the oven do the rest. The result is a bubbling skillet of sweet onions wrapped in a creamy, ultra-cheesy base with golden, caramelized edges. Simple, quick, and guaranteed to spark those “I can’t believe it’s only three ingredients!” conversations.
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Serve it piping hot, straight from the cast iron skillet, with sturdy dippers like thick-cut potato chips, toasted baguette slices, buttery crackers, or warm pita wedges. For balance, add a crunchy veggie tray—celery sticks, bell pepper strips, carrot coins. At potlucks, pair with cold salads and iced tea; on game day, serve alongside wings, ribs, or pulled pork sandwiches.
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🧅 Southern Baked Onion Dip
📝 Ingredients
| Ingredient | Amount | Notes |
|---|---|---|
| Sweet onion (Vidalia) | 2 cups | Finely chopped |
| Sharp cheddar cheese | 2 cups | Shredded, packed |
| Condensed cream of onion or mushroom soup | 1 can (10.5 oz) | Do not dilute |
👩🍳 Directions
- Preheat Oven
Heat oven to 375°F (190°C). Place a small cast iron skillet (6–8 in) on a sheet pan to catch bubbling overflow. - Mix Ingredients
In a bowl, combine chopped onion, shredded cheddar, and condensed soup. Stir until evenly mixed. - Bake
Transfer mixture to skillet, smoothing into an even layer. Bake uncovered 25–35 minutes until bubbling, golden brown, and caramelized at the edges. - Rest & Serve
Let sit 5–10 minutes to thicken slightly. Serve warm, directly in the skillet, with your favorite dippers.
✨ Gooey, golden, and irresistibly simple—this dip proves that the best potluck recipes don’t need fuss, just three ingredients and a hot oven.




