Outdoor grilling can reach new versatility with inserts that transform standard charcoal grills into flat-top cooking stations. This guide highlights five top inserts designed to fit popular Weber and kettle-style grills, enabling pancakes, eggs, burgers, and quesadillas right on the grill surface. Each option offers distinct benefits—from heavy-duty cast iron to stainless steel two-zone inserts—so you can pick the right tool for searing, smoking, or quick weeknight dinners.
Summary of Selected Products
| Product | Brand | Type | Key Benefit |
|---|---|---|---|
| Full Size Griddle Inserts For Weber 22″ | DELSbbq | Flat Top Griddle | Turns Weber 22″ grills into a quick-griddle station |
| Full Size Griddle Inserts For Weber 22″ | EasiBBQ | Flat Top Griddle | Includes handles and heat-resistant features for easy use |
| Slow ‘N Sear Charcoal Inserts – 18″ | Slow ‘N Sear | Charcoal Basket Insert | Two-zone cooking on smaller kettles |
| Slow ‘N Sear Deluxe Insert – 22″ | Slow ‘N Sear | Charcoal Basket with Water Reservoir | Low ‘n slow to high-heat versatility |
| Uniflasy Nonstick Griddle 25″ | Uniflasy | Nonstick Cast Iron Griddle | Large, heat-efficient surface for universal grills |
DELSbbq Full Size Griddle Inserts For Weber 22″

Designed for Weber 22.5 inch charcoal grills, these flat-top griddle inserts replace existing grates to deliver a durable, non-slip cooking surface. They fit multiple Weber models including One-Touch Silver, Master-Touch, and Performer Deluxe, as well as similar 22-inch round grills. The heavy-duty construction enables quick transformation from grill to griddle in seconds, supporting pancakes, eggs, burgers, and quesadillas with even heat distribution. The insert is noted as an original-style replacement part compatible with several Weber part numbers, ensuring a snug fit and stable cooking surface.
EasiBBQ Full Size Griddle Inserts For Weber 22″

These flat-top griddle inserts are compatible with 22.5″ Weber Original Kettle Premium and other 22.5″ Weber models. They come with practical handles, making it easy to add fuel or switch modes without waiting for the grill to cool. The included silicone oven mitts offer heat protection up to 446°F (230°C), facilitating quick, safe grilling transitions. The design emphasizes compatibility with multiple 22.5″ Weber grills—from Original Kettle Premium to Performer Deluxe—and similar round 22-inch grills.
SnS Grills Slow ‘N Sear Charcoal Inserts – 18″

This two-zone charcoal insert is crafted for precision cooking on 18″ kettle grills. It increases charcoal capacity and creates distinct heat zones—ideal for searing steaks on the hot side while slow-cooking on the cooler side. While compact, the insert supports extended heat, enabling longer cooks with fewer refuels. It’s suitable for tailgating, camping, or backyards where separate zones are advantageous for menu variety. Note that a water reservoir is not included with this particular model.
SnS Grills Slow ‘N Sear Deluxe Insert – 22 in

The Deluxe model adds a removable water reservoir to the classic Slow ’N Sear design, expanding versatility for low-and-slow smoking or high-heat searing on Weber and similar kettle grills. This 22-inch insert supports two-zone cooking, allowing wider control over temperature and moisture. It is designed for straightforward transitions between low-temperature smoking and quick, direct-heat searing, making it a flexible option for varied backyard grilling sessions.
Uniflasy Nonstick Griddle 25″

This cast-iron griddle measures 25 by 16 inches, delivering a large flat-top surface compatible with a wide range of gas and charcoal grills. The nonstick coating aids cleanup and reduces sticking, while the reinforced base helps minimize warping under high heat. It includes a sturdy handle for easy positioning and movement. The universal fit supports many grill brands, making it a versatile option for seasonal backyards, camping trips, and tailgates.
Buying Guide: Key Considerations For Grill Inserts
When choosing a charcoal grill insert, consider heat distribution, size compatibility, maintenance, and intended cooking styles.
- Grill compatibility: Verify that the insert fits your grill’s model and size (22″ Weber, 18″ kettle, etc.).
- Material and durability: Cast iron offers excellent heat retention; stainless steel resists corrosion; nonstick coatings simplify cleanup.
- Two-zone cooking: If you plan to sear and slow-smoke, a two-zone insert helps manage distinct heat zones.
- Ease of use: Handles, weight, and installation time affect how often you’ll use the insert.
- Maintenance: Consider whether the surface requires special cleaners or seasoning, especially for cast iron.
- Versatility: Some inserts convert grills into flat-top stations; others focus on charcoal management or slow smoking.
In choosing the best insert for outdoor charcoal grilling, balance fit with function. For weeknight dinners, a 22″ Weber-compatible flat-top griddle that swaps in seconds can unlock quick, uniform contact cooking. For those who enjoy slow-smoking, deluxe inserts with water reservoirs provide more control over moisture and temperature. If you want a broad, universal option, nonstick or cast-iron griddles with sturdy handles offer dependable performance across many grill brands and sizes.