Tennessee Onions

The warm aroma of sweet onions caramelizing in the oven brings comfort to any kitchen. Tennessee Onions are a delightful side dish that transports you to Southern dining tables, requiring just about 35 minutes from start to finish. The combination of creamy cheeses over tender onions creates a rich, mouthwatering experience that pairs perfectly with various meats.

This recipe is ideal for anyone looking to elevate their dinner spread or seeking a unique side dish for gatherings. It’s perfect for holiday feasts, potlucks, or casual family dinners. Leftovers can be stored in the fridge for a few days, making them a convenient choice for meal prep.

Why You’ll Love This Recipe

• The creamy melt of mozzarella, cheddar, and Parmesan creates an irresistible cheese pull.
• Sweet onions soften beautifully, adding a delightful texture.
• It’s a quick bake, ready in just 25-30 minutes.
• This dish complements a variety of main courses effortlessly.

What You’ll Need

Gather these ingredients to create your Tennessee Onions:

For the Onions

• 4 sweet onions, sliced
• 4 tbsp butter, cut into small pieces

For the Cheese

• 1 cup mozzarella cheese, shredded
• 1 cup cheddar cheese, shredded
• ½ cup Parmesan cheese, grated

Use your favorite variety of sweet onion for best results.

Substitutions & Swaps

• Butter: olive oil for a vegan option
• Mozzarella: fontina cheese for a stronger flavor
• Cheddar: Monterey Jack for a milder taste
• Parmesan: nutritional yeast for a dairy-free option

How to Make It

Creating Tennessee Onions is simple and satisfying.

Preheat

Preheat the oven to 350°F (175°C).

Layer

Slice the sweet onions and layer them in a baking dish.

Dot

Dot the sliced onions with butter, ensuring even distribution.

Sprinkle

Sprinkle mozzarella, cheddar, and Parmesan cheese over the onions.

Bake

Bake in the preheated oven until the cheese is bubbly and golden, about 25-30 minutes.

Serve

Serve warm alongside your favorite meats.

How to Store It

Fridge: 3 to 4 days in an airtight container.
Freezer: no, as the texture will change.
Reheat: in the oven at 350°F for 10-15 minutes.

Tips for Best Results

• Coat the baking dish with non-stick spray to prevent sticking.
• Ensure onions are evenly sliced for uniform cooking.
• Use fresh cheese for better melting quality.
• Don’t rush the baking process; allow the cheese to bubble nicely.

Serving Suggestions

• Pair with grilled chicken for a satisfying meal.
• Serve alongside a hearty steak for a rustic feast.
• Include it as a side for your next family gathering or barbecue.