A built-in grill insert is the centerpiece of any outdoor kitchen, providing the performance, durability, and style needed to create an enjoyable outdoor cooking space. Whether you’re grilling burgers for the family, smoking ribs for a weekend gathering, or preparing steaks for a special occasion, a high-quality grill insert delivers consistent heat and reliable results while blending seamlessly into your custom outdoor setup.
Choosing the right grill insert involves more than selecting the largest cooking surface. Heat output, burner quality, construction materials, temperature control, cooking area, and long-term durability all play an important role in overall performance. Premium stainless steel construction, even heat distribution, easy ignition systems, and simple cleanup features can make outdoor cooking more enjoyable while ensuring the grill stands up to years of exposure to the elements.
We compared a variety of built-in grill inserts to identify the models that offer the best combination of cooking performance, durability, features, and overall value. The six recommendations below are excellent choices for homeowners looking to build or upgrade an outdoor kitchen with a dependable grill that delivers impressive results for everyday meals and backyard entertaining.
6 Best Grill Inserts For Outdoor Kitchen
| Image | Title | Best For | Link |
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Universal Stainless Steel Cooking Griddle | The 23″ x 16″ universal stainless steel griddle with removable handles and grease groove for ga… more | View on Amazon |
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Cast Iron Grill Griddle Plate | The 25″ x 16″ nonstick cast iron griddle plate for gas and charcoal grills with grease drain of… more | View on Amazon |
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Skyflame Stainless Steel Griddle Plate | The skyflame 17″ x 13″ stainless steel universal flat top griddle for bbq gas and charcoal gril… more | View on Amazon |
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Universal Metal Flat Top Griddle | The 17″ x 13″ universal metal flat top griddle insert for weber charbroil and outdoor gas grill… more | View on Amazon |
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Weber Carbon Steel Griddle Insert | The weber pre-seasoned carbon steel griddle insert for genesis 300 series and summit gas outdoo… more | View on Amazon |
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Char-Broil Performance Series Griddle Insert | The char-broil performance series universal griddle insert for turning your outdoor grill into… more | View on Amazon |
Our Top 6 Best Grill Inserts For Outdoor Kitchen Reviews – Expert Tested & Recommended
1. Universal Stainless Steel Cooking Griddle
This 23″ x 16″ stainless steel griddle is the perfect workhorse for any serious outdoor cook. Its high-quality stainless construction resists warping and makes cleaning a breeze after a busy meal.
Key Features That Stand Out
- ✓ Food-grade stainless steel construction for maximum durability.
- ✓ Large 23″ x 16″ surface area for massive cooking capacity.
- ✓ Removable handles for easy storage and portability.
- ✓ Wavy underside design promotes even heat distribution and airflow.
Why We Recommend It
We love this unit because it turns almost any standard gas grill into a flat-top station effortlessly. The heat management is superb, preventing those annoying hot spots that ruin delicate foods like eggs or crepes.
Best For
Ideal for families or outdoor entertainers who need a large, reliable surface for breakfast and lunch.
Pros and Cons at a Glance
2. Cast Iron Grill Griddle Plate
If you love the heat retention of traditional cookware, this heavy-duty cast iron griddle is a fantastic addition. It provides a massive 400 square inches of surface area, perfect for searing steaks or flipping pancakes for a crowd.
Key Features That Stand Out
- ✓ Exceptional heat retention and distribution for perfect searing.
- ✓ Massive cooking area covers 400 square inches.
- ✓ Integrated grease drain helps keep your food from getting soggy.
- ✓ Compatible with both gas and charcoal grills.
Why We Recommend It
Cast iron is legendary for a reason—it creates a beautiful crust on burgers and bacon that stainless steel just can’t replicate. It is a durable, long-term investment for any grill master.
Best For
Best for those who prioritize food flavor and crust development over lightweight convenience.
Pros and Cons at a Glance
3. Skyflame Stainless Steel Griddle Plate
Need a professional cooking surface without the massive price tag? The Skyflame 17″ x 13″ griddle is a compact, effective solution that fits perfectly on smaller grills while delivering excellent performance.
Key Features That Stand Out
- ✓ Restaurant-grade stainless steel for non-stick results.
- ✓ Decorative wavy hollow side panels for improved ventilation.
- ✓ Built-in grease well prevents flare-ups.
- ✓ Compact size is perfect for smaller charcoal or gas grills.
Why We Recommend It
It’s rare to find such high quality at this price point. We were impressed by how quickly it heats up and the clever design of the high sidewalls that keep your food contained while you are flipping burgers.
Best For
Perfect for budget-conscious grillers or those with smaller, space-constrained outdoor kitchens.
Pros and Cons at a Glance
4. Universal Metal Flat Top Griddle
This 17″ x 13″ griddle insert is a fantastic choice for those looking for compatibility across multiple grill brands, including Weber and Char-Broil. It is designed to sit directly on your existing grates for an instant upgrade.
Key Features That Stand Out
- ✓ Highly compatible design fits most gas and charcoal grills.
- ✓ Made of high-quality metal that withstands intense heat.
- ✓ Non-stick surface makes for incredibly easy cleanup.
- ✓ Perfect 17″ x 13″ dimensions for small to medium grills.
Why We Recommend It
We appreciate the versatility of this griddle. It’s a great way to add “hibachi-style” cooking to your repertoire without needing to remodel your entire outdoor kitchen area.
Best For
Best for grillers who use popular name-brand grills and want a quick, “drop-in” solution.
Pros and Cons at a Glance
5. Weber Carbon Steel Griddle Insert
If you own a Weber Genesis or Summit, this is the gold standard for accessories. It arrives pre-seasoned, meaning you can start cooking immediately without worrying about the initial setup process.
Key Features That Stand Out
- ✓ Custom-engineered to fit Weber Genesis 300 and Summit series perfectly.
- ✓ Pre-seasoned surface means it is ready for immediate use.
- ✓ Large surface area covers your entire grill capacity.
- ✓ High-quality carbon steel for responsive temperature control.
Why We Recommend It
There is no guesswork here. Because it’s a branded Weber product, it fits perfectly and works seamlessly with your existing Weber grill features. It’s an essential add-on if you already own the grill.
Best For
Weber Genesis and Summit grill owners who want the perfect factory-fit accessory.
Pros and Cons at a Glance
6. Char-Broil Performance Series Griddle Insert
If you want to start griddling in 15 seconds or less, this Char-Broil insert is the way to go. It sits right on top of your existing grates and requires absolutely no seasoning, making it a dream for beginners.
Key Features That Stand Out
- ✓ Ready to use out of the box with no preparation needed.
- ✓ Sits securely on top of existing grill grates.
- ✓ Offers a generous 270 square inches of flat-top space.
- ✓ Extremely convenient for weekday quick dinners.
Why We Recommend It
This is all about convenience. You don’t have to remove your grates or mess around with seasoning. Just drop it on, preheat, and you’re good to go. It’s perfect for the occasional griddle user.
Best For
Best for busy home cooks who want maximum ease-of-use with minimal cleanup.
Pros and Cons at a Glance
Complete Buying Guide for Best Grill Inserts For Outdoor Kitchen
Essential Factors We Consider
When choosing the right insert, always look at your grill dimensions first. A perfect fit ensures even heating and avoids annoying sliding during cooking. Material also matters: stainless steel is easy to maintain, while cast iron is superior for searing flavor. Finally, consider whether you want a pre-seasoned model to save time or a standard one you can season yourself.
Budget Planning
You don’t need to break the bank to get a good result. Simple, universal inserts are very affordable and usually get the job done for most home cooks. Only look at the premium, brand-specific models if you need a perfect factory-fit for a specific grill model or require high-frequency, commercial-grade performance.
Final Thoughts
Adding a griddle insert is the most cost-effective way to overhaul your outdoor cooking setup. By picking one from this list, you are setting yourself up for success, whether you’re searing steaks or hosting a Saturday morning pancake party.
Frequently Asked Questions
Q: Do I need to season my stainless steel griddle?
A: Generally, no. Stainless steel is naturally non-stick when heated correctly, though a light coating of oil before cooking helps. Cast iron, however, absolutely requires regular seasoning.
Q: Can I use these on charcoal grills?
A: Yes, many of these are designed for both gas and charcoal. Just ensure your charcoal bed is spread evenly to avoid localized overheating on the underside of the plate.
Q: How do I clean my griddle insert?
A: Stainless steel is usually easy to scrub with a stiff brush and warm water. For cast iron, avoid heavy detergents—stick to a quick scrub and re-oil the surface immediately to prevent rust.