Peel the mini onions and place them in an oven-safe baking dish.
Melt the butter in a microwave-safe bowl.
Add paprika, Cajun seasoning, garlic salt, onion salt, black pepper, lemon pepper seasoning, oregano, and brown sugar to the melted butter. Stir well to combine.
Pour the seasoned butter mixture over the mini onions in the baking dish and mix until the onions are evenly coated.
Cover the baking dish tightly with aluminum foil.
Bake at 380°F for 40 to 50 minutes.
Remove from the oven, sprinkle with dried parsley, and serve.
Cook it hands-free.
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