Tennessee Onions Recipe
Introduction
Tennessee Onions are a rich, comforting Southern side dish made with sweet onions, melted butter, and plenty of gooey cheese. Baked until bubbly and golden, this dish is simple yet incredibly flavorful, making it a favorite at family dinners and gatherings.
Perfect for barbecues, potlucks, or holiday meals, Tennessee Onions pair beautifully with grilled meats, roasted chicken, or even as a topping for burgers. The natural sweetness of the onions combined with savory seasonings and cheese creates a warm, crowd-pleasing dish.
This recipe is easy to prepare with minimal ingredients and delivers big flavor. Whether you’re new to Southern cooking or looking for a cozy side dish, Tennessee Onions are a must-try.

Ingredients
| Ingredient | Quantity | Calories Approx |
|---|---|---|
| Sweet onions (Vidalia or yellow) | 3 large | 180 |
| Unsalted butter (melted) | 4 tbsp | 400 |
| Shredded cheddar cheese | 1 cup | 455 |
| Shredded mozzarella cheese | 1 cup | 320 |
| Garlic powder | 1 tsp | 10 |
| Dried oregano | 1 tsp | 5 |
| Salt | ½ tsp | 0 |
| Black pepper | ½ tsp | 0 |
How to Make Tennessee Onions
Preheat the oven and lightly grease a baking dish. Slice the onions into thick rings and separate them gently.
Arrange the onion slices evenly in the prepared baking dish. Drizzle the melted butter over the onions, ensuring they are well coated.
Sprinkle garlic powder, oregano, salt, and black pepper evenly over the onions. Top with shredded cheddar and mozzarella cheese.
Bake until the onions are tender and the cheese is melted and lightly golden. Let the dish rest for a few minutes before serving.
This dish is best served warm and fresh from the oven for maximum flavor and texture.
Prep Time & Cook Time
Prep Time: 10 minutes
Cook Time: 30–35 minutes
Total Time: 45 minutes
Servings
This recipe serves 6 people.
Tips & Variations
- Use Vidalia onions for the best natural sweetness.
- Add Parmesan cheese for a sharper, more savory flavor.
- Sprinkle red pepper flakes for a mild kick of heat.
- For a richer dish, add a splash of heavy cream before baking.
Storage & Reheating
Store leftover Tennessee Onions in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave until warmed through. Avoid overheating to keep the onions tender.
Nutrition Information (Per Serving)
| Nutrient | Amount |
|---|---|
| Calories | 210 |
| Protein | 7g |
| Fat | 16g |
| Carbohydrates | 10g |
| Fiber | 2g |
| Sugar | 6g |
| Sodium | 320mg |
Serving Suggestions

Serve Tennessee Onions as a side dish with grilled steak, barbecue chicken, or roasted pork. They also work wonderfully as a topping for burgers, hot dogs, or baked potatoes.
Pair this dish with cornbread or a fresh green salad for a complete Southern-style meal.
Conclusion
Tennessee Onions are a comforting, cheesy, and flavorful side dish that highlights the natural sweetness of onions in the best way. With minimal prep and simple ingredients, this recipe delivers impressive results every time.
Whether served at a casual dinner or a festive gathering, Tennessee Onions are sure to become a favorite on your table. Once you try them, you’ll keep coming back to this easy Southern classic
