Answer: For turning any gas or charcoal grill into a versatile flat-top cooking surface, these outdoor grill griddle inserts are ideal. They’re best for campers, tailgaters, backyard BBQ fans, and anyone who wants breakfast, burgers, and veggies cooked on one smooth surface. The top picks below balance size, durability, and heat distribution to fit a range of grill models. Read on to find the best fit for your grill and cooking style.
| Product | Brand | Size | Best For |
|---|---|---|---|
| Utheer Cast Iron Griddle | Utheer | 17″ x 13″ | Compact flat-top for portable grilling and tailgates |
| Lodge Reversible Cast Iron Griddle | Lodge | 16.75″ x 9.5″ | Dual-side cooking for flexible breakfast to burgers |
| BBQ Future Universal Cast Iron Griddle | BBQ Future | 23″ x 16″ | Large, universal fit for many grills and stoves |
| Weber Rust-Resistant Outdoor Griddle Insert (Full-Size) | Weber | Full-size (fit Spirit/Searwood/Summit series) | Huge cooking surface on Weber grills |
| Utheer 25″ x 16″ Pre-Seasoned Griddle | Utheer | 25″ x 16″ | Large parties, buffet-style grilling, camping |
Utheer Cast Iron Griddle, 17 by 13 Inches

Best for compact setups: This pre-seasoned, nonstick cast iron insert converts a gas or charcoal grill into a flat-top surface suitable for pancakes, eggs, bacon, smash burgers, and grilled sandwiches. It’s designed to withstand up to 500°F, making it viable for searing and high-heat cooking. Choose this if you have limited grill space but want a solid flat-top option. Caution: verify your grill’s available area to ensure a proper fit.
Lodge Reversible Cast Iron Grill/Griddle Pan

Best for family breakfasts: The Lodge double-burner compatible, reversible design provides a griddle and a grill surface in one. It’s pre-seasoned and PFAS-free, offering a natural nonstick performance. This is a solid pick for households cooking for groups or who need a dual-function plate. Limitation: the two-sided design may require more space on some smaller grills.
BBQ Future Universal Cast Iron Griddle

Best for broad compatibility: A large 23″ x 16″ griddle insert that fits many gas and charcoal grills, including common brands and stove-top or camp setups. It features a nonstick surface, rust resistance, and a grease trough for easier cleanup. Choose this if you want a single, large flat top that can cover multiple burners. Caution: check fit with your specific grill model before purchase.
Weber Rust-Resistant Outdoor Griddle Insert (Full-Size)

Best for Weber grills: Specifically designed to fit Spirit, Spirit II, Searwood, and other Weber models with a large cooking area. It’s pre-seasoned and ready to use, providing a full griddle surface. Best for Weber fans who want a seamless integration and maximum space. Caution: model compatibility matters; verify it aligns with your exact Weber grill year and series.
Utheer 25″ x 16″ Pre-Seasoned Griddle

Best for large gatherings: This massive 25″ x 16″ cast iron griddle offers superior heat distribution with three reinforced support ridges and a grease trough. It’s great for parties, camping, and tailgates where you need a lot of cooking space. It includes detachable handles for easier transport. Limitation: its size may not fit smaller grills; measure carefully.
Weighing Buying Considerations
Why choose a specific griddle insert? The decision factors include fit, heat handling, durability, and cleanup. Consider the following:
- Grill compatibility: Check model and burner layout to ensure a flat-top insert will fit your grill’s cooking area.
- Size and weight: Larger inserts provide more cooking space but may be heavy and bulky to handle.
- Material and seasoning: Pre-seasoned cast iron offers durability and nonstick performance with proper care; carbon steel is lighter but may require more seasoning.
- Heat tolerance: For searing, ensure the insert can sustain high heat without warping or sticking.
- Cleaning and maintenance: Look for grease troughs or easy-to-clean surfaces to reduce flare-ups and simplify maintenance.
Buying Guide: How to Choose the Right Griddle Insert
Which size best fits my grill?
Compare the insert width and length to your grill’s available griddle area. If you cook for many people, a large 23″ x 16″ or 25″ x 16″ model provides ample space; for solo or small groups, a 17″ x 13″ option can be ideal.
What material offers the best balance of performance and upkeep?
Cast iron provides superior heat retention and a classic nonstick surface with proper seasoning, but requires regular care. Carbon steel and nonstick coatings may offer lighter weight and easier cleanup but might require more frequent maintenance to prevent sticking.
Is durability a priority?
Reinforced ridges, thick walls, and a grease trough strengthen resistance to warping and flare-ups during long grilling sessions. For frequent outdoor cooking, these features matter.
How easy is installation on my grill?
Some inserts are universal, while others are brand-specific. If you own a Weber, Lodge, or BBQ Future lineup, confirm model compatibility and any mounting considerations before buying.
What about cleanup?
Grease troughs help manage drippings. Removable handles and smooth edges reduce cleanup time and minimize accidental scratches on grill grates during handling.
FAQ
- Can I use these griddles on both gas and charcoal grills?
- Do I need to season the cast iron griddle before first use?
- Will a large griddle fit on a small grill?
- Are these inserts dishwasher safe?
- Which insert is best for camping?
- Do these inserts impact grill heat distribution?
Yes. Several inserts are designed to work on both gas and charcoal configurations, provided the grill’s cooking area fits the insert.
Most inserts are pre-seasoned, but a light re-seasoning before initial use can improve nonstick performance and longevity.
Large griddles may not fit on compact grills. Always measure your available space and compare to the insert’s dimensions.
Generally, hand washing is recommended for cast iron to preserve seasoning and prevent rust. Follow manufacturer care instructions.
A larger, durable, universal model like the 25″ x 16″ option or a portable 17″ x 13″ insert can be ideal for campsites given its balance of space and transportability.
Yes. A flat-top surface can distribute heat more evenly across a wide area, enabling consistent cooking for pancakes, burgers, and vegetables.
