Tennessee Onions (Cheesy Baked Onion Casserole)
Diabetic-Friendly | Low Carb | Comfort Food Side
If you love rich, comforting side dishes, Tennessee Onions might become one of your new favorites. This Southern-inspired dish layers sweet onions with butter, seasonings, and plenty of melted cheese, then bakes everything until bubbly and golden.
🥘 Ingredients (Serves 6)
- 3 large sweet onions (Vidalia or yellow), sliced into rings
- 4 tbsp butter, melted
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella cheese
- ¼ cup grated Parmesan cheese
- 1 tsp garlic powder
- ½ tsp paprika
- ½ tsp black pepper
- ½ tsp salt
- 1 tbsp chopped fresh parsley (optional)
👩🍳 Instructions
Step 1: Preheat the Oven
Preheat oven to 350°F (175°C) and lightly grease a baking dish.
Step 2: Layer the Onions
Arrange the sliced onion rings evenly in the baking dish, separating the layers slightly.
Step 3: Season the Dish
Drizzle melted butter over the onions.
Sprinkle garlic powder, paprika, salt, and black pepper evenly.
Step 4: Add the Cheese
Top the onions with cheddar, mozzarella, and Parmesan cheese.
Step 5: Bake
Bake uncovered for 30–35 minutes until the onions become tender and the cheese is golden and bubbly.
Step 6: Garnish & Serve
Sprinkle with fresh parsley and serve warm.
🍽️ Serving Suggestions
Tennessee Onions pair beautifully with:
- Grilled steak
- Roasted chicken
- Air fryer fish
- Low-carb burgers
- Barbecue meats
It’s a perfect comfort-food side dish for family dinners or holiday meals.
🥗 Nutrition (Per Serving – 6 servings)
- Calories: 190–220
- Carbohydrates: 6–7g
- Net Carbs: ~4g
- Protein: 6–8g
- Fat: 15–17g
- Added Sugar: 0g
Tennessee Onions are a simple dish that delivers huge flavor. The combination of tender baked onions and melted cheese creates a rich, comforting side that feels indulgent while still fitting into many low-carb and diabetic-friendly meal plans.
