Walkabout Onion Cheese Soup

Byarlo Jack

Walkabout Onion Cheese Soup is a warm, creamy, and deeply flavorful dish inspired by Outback Steakhouse’s classic favorite. This comforting soup combines caramelized onions, rich broth, and melted cheese for an irresistibly savory experience. Perfect for cozy evenings or when you’re craving a restaurant-style indulgence, this soup is surprisingly easy to make at home with just a few pantry staples.

Why You’ll Love This Recipe

This soup is pure comfort in a bowl—creamy, cheesy, and packed with the sweet flavor of slow-cooked onions. It’s hearty enough to serve as a main course and elegant enough to impress guests. The combination of melted cheese, buttery onions, and rich broth creates a luxurious texture and taste that’s both familiar and special.

Nutritional Info

While indulgent, Walkabout Onion Cheese Soup provides calcium and protein from cheese and milk. You can make it lighter by using reduced-fat cheese or milk alternatives. The onions bring antioxidants and natural sweetness, balancing the richness of the dairy and butter.

Time Taken

This recipe takes about 40–45 minutes from start to finish, including time to caramelize the onions properly for maximum flavor.

Ingredients

  • 4 large yellow onions, thinly sliced
  • 3 tablespoons butter
  • 2 tablespoons all-purpose flour
  • 3 cups chicken broth (or vegetable broth)
  • 2 cups whole milk
  • 1 cup shredded cheddar cheese
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • Optional: 1/4 teaspoon garlic powder or paprika
  • Chopped parsley or green onions for garnish

Instructions

  • In a large pot, melt butter over medium heat. Add sliced onions and cook slowly, stirring occasionally, until caramelized and golden brown, about 20–25 minutes.
  • Sprinkle flour over the onions and stir well to coat, cooking for about 1–2 minutes to remove the raw flour taste.
  • Gradually whisk in chicken broth, stirring constantly until the mixture is smooth and slightly thickened.
  • Pour in the milk and bring to a gentle simmer, stirring occasionally.
  • Reduce the heat to low and add shredded cheese, stirring until melted and creamy. Do not let the soup boil after adding cheese to prevent curdling.
  • Season with salt, pepper, and optional garlic powder or paprika.
  • Serve hot, garnished with fresh parsley, green onions, or extra shredded cheese.
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You Must Know

The key to this soup’s rich flavor is properly caramelizing the onions—don’t rush this step. Low and slow cooking draws out the natural sweetness and gives the soup depth. Also, avoid boiling after adding cheese and milk to maintain a silky, smooth texture.

Storage Tips

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop over low heat while stirring to keep the texture smooth. Avoid freezing, as dairy-based soups can separate when thawed.

Ingredient Substitutions

  • Substitute vegetable broth for chicken broth for a vegetarian version.
  • Use Swiss, Monterey Jack, or a blend of cheeses for different flavor profiles.
  • Swap whole milk with half-and-half for a creamier texture, or use 2% milk for a lighter option.
  • Add a splash of white wine or sherry while cooking the onions for a gourmet twist.

Serving Suggestions

  • Serve with crusty bread or garlic toast for dipping.
  • Pair with a fresh green salad for a balanced meal.
  • Use it as a starter for steak dinners or comfort food nights.
  • Top with extra cheese and broil for a few minutes for a bubbly, golden crust.

Seasonal Adaptations

  • Fall/Winter: Add roasted garlic or a pinch of nutmeg for extra warmth.
  • Spring/Summer: Garnish with fresh herbs like thyme or chives for a lighter, fragrant touch.
  • Year-round: Adjust the cheese type to your preference—sharp cheddar for bold flavor or mild cheese for subtle creaminess.

Success Stories

Home cooks adore this soup for its rich, restaurant-style taste that’s easy to achieve at home. Many find it perfect for family dinners or special occasions, earning praise for its comforting flavor and creamy consistency. It’s become a go-to recipe for chilly nights and cozy gatherings.

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Pro Tips

  • Slice onions evenly for consistent caramelization.
  • Use freshly grated cheese—it melts better than pre-shredded varieties.
  • Stir constantly when adding milk and cheese to prevent lumps or curdling.
  • Adjust thickness with a little extra broth if needed.

Chef’s Special Tips

  • Add a toasted crouton and a sprinkle of cheese on top before broiling for a French onion–style presentation.
  • A touch of Worcestershire sauce enhances the soup’s savory depth.
  • Finish with a drizzle of cream or a small pat of butter for added richness.

Conclusion

Walkabout Onion Cheese Soup is the ultimate comfort food—creamy, cheesy, and full of caramelized onion flavor. Perfect as a hearty main or a cozy appetizer, this recipe brings restaurant-quality taste right to your kitchen. Make it tonight and treat yourself to a bowl of pure comfort and flavor.

Frequently Asked Questions

Can I make this soup ahead of time?
Yes, you can prepare it a day ahead and store it in the refrigerator. Reheat gently over low heat, stirring frequently to keep it creamy.

Can I freeze Walkabout Onion Cheese Soup?
It’s best enjoyed fresh, as dairy-based soups can separate when frozen. If you must freeze it, do so before adding the cheese, then add cheese upon reheating.

What’s the best cheese to use?
Sharp cheddar gives the classic flavor, but you can use a blend of cheddar, Swiss, or Monterey Jack for variation.

Can I make it vegetarian?
Yes, use vegetable broth instead of chicken broth and ensure your cheese is vegetarian-friendly.

How can I make it thicker?
Add a bit more flour during the roux stage or simmer longer to reduce the liquid. You can also stir in a small amount of cornstarch slurry.

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Can I use red onions instead of yellow?
Yellow or sweet onions are preferred for their milder flavor, but red onions can add a unique, slightly sharper taste.

What can I serve with this soup?
Crusty bread, garlic toast, or a green salad make excellent companions. It also pairs beautifully with grilled meats or roasted vegetables.

How do I keep the soup from curdling?
Avoid boiling after adding milk and cheese. Keep the heat low and stir constantly to maintain a smooth, creamy consistency.