To heat the grill: Preheat grill with the lid down to 500 degrees F for 15 minutes. Open the lid and use a stainless steel grill brush to remove any food particles from the cooking grates.: Preheat grill with the lid down to 500 degrees F for 15 minutes : You will smell the grill warming and maybe a faint metallic aroma as the grates heat. Getting the grill to a true 500 degrees F ensures a blistered, crisp bottom on the crust, which contrasts nicely with the cool toppings. A very hot grate gives quick color without drying the dough, which is why I always wait the full heating time. One common mistake is rushing this step, then finding the dough sticks or cooks unevenly, so be patient and use an oven thermometer or the grill's gauge to verify heat.
Place the sliced red onions, avocado and tomato slices on a baking sheet and brush with olive oil. Sprinkle on salt and fresh cracked pepper to taste. Using a spatula, transfer onions onto the grates and grill for 8 -12 minutes with the lid down. Lift the lid and remove the onions and transfer to a baking sheet. Add the avocado and tomato slices onto the grates, grill for 2-3 minutes with the lid down. Lift the lid and remove the avocado and tomatoes and transfer to a baking sheet. Set aside.: After preheating, the grate will hiss slightly as residues char, and brushing clears the surface for clean contact with the dough and vegetables. This prevents flare ups and ensures an even sear, which is essential for that crisp texture. If you skip cleaning, old bits can burn and impart off flavors, so take a few extra strokes now.
Cover the pizza peel or the back side of baking sheet with parchment paper. Work the pizza dough into your desired shape. Brush the top with olive oil. Flip the pizza dough onto the grill, oil side down, and peel back the parchment paper from the top side. Grill for 2 minutes with lid open. Using tongs, pull the pizza off the grate (at this point the dough will have enough structure from the grilled bottom it can easily be moved this way). Brush the top of the crust with olive oil and return it to the grill with the oil side down; grill for another 2-minutes.: Brushing each slice with olive oil gives a glossy sheen and promotes even browning on the grill. The oil will sizzle on contact and carry heat to the vegetables, encouraging caramelization. Be mindful not to overload with oil, which can cause flare ups. A light, even coat is what I aim for.
Remove the crust from the grill to add the toppings. Spread cream cheese on top and layer with grilled onions, avocado, tomatoes, lox and cheese. If the bottom of the crust is well browned, place a piece of foil the size of the pizza onto the grates (this will prevent the bottom of the pizza from further browning). Transfer topped pizza back to the grill and close the lid. At this point you are just melting the cheese. Remove pizza from the grill, top with capers, dill and everything bagel seasoning. Serve immediately.: You will smell the pepper when you grind it freshly, and the modest salt will draw out the tomatoes juices slightly as they heat. Seasoning pre-grill helps build flavor depth, but remember the lox and capers are salty, so I err on the lighter side here. Over-salting early is a frequent misstep, as it can concentrate too strongly under heat.
Using a spatula, transfer onions onto the grates and grill for 8 -12 minutes with the lid down: As the red onion sizzles, you will hear gentle popping and see edges darken to a deep brown, not black. The lid down creates a hotter environment, softening the onion while encouraging sweet Maillard notes. I watch for tenderness and char ribbons; if pieces char too quickly, move them to a cooler section. Avoid crowding the grate, which steams rather than chars.
Lift the lid and remove the onions and transfer to a baking sheet: The onions will release a sweet, savory perfume when lifted off the heat. Moving them to a baking sheet halts cooking and preserves texture. Leaving them on the hot grate can overcaramelize them, so transfer promptly if you see deep dark edges forming.
Add the avocado and tomato slices onto the grates, grill for 2-3 minutes with the lid down: Avocado and tomato will sizzle lightly and show quick, attractive grill marks in just a few minutes. The avocado softens and gains a smoky note while the tomato concentrates its juices. Because these are delicate, watch closely; overcooking causes collapse, which is a common error. Aim for light char, not mush.
Lift the lid and remove the avocado and tomatoes and transfer to a baking sheet: You should see glossy, slightly shrunken tomato slices and warm, tender avocado . Cooling them briefly keeps them from breaking when you assemble the pizza. Leaving them on the hot grate risks losing shape and texture, so move them off promptly.
Set aside: Let the grilled vegetables rest on the baking sheet while you work the dough; this pause allows juices to stabilize and prevents sogginess on the crust. Resting also concentrates aroma, which you will notice as a richer scent when you return to assemble. A frequent slip is assembling immediately while the toppings are piping hot, which can make spreading the cream cheese messy.
Cover the pizza peel or the back side of baking sheet with parchment paper: The parchment creates a nonstick layer and helps you launch the dough onto the grill. You will feel the paper's smooth resistance as you slide the dough, and it peels away cleanly if you let the dough form some structure first. Skipping parchment can make the transfer fussy and increase tearing risk.
Work the pizza dough into your desired shape: Gently stretching the dough by hand produces an irregular, artisan look, while rolling yields a more uniform circle. The dough should feel slightly tacky, not sticky, and you will see small bubbles form as you coax it. Overworking can toughen the crust, so handle it with light, confident stretches.
Brush the top with olive oil: A thin coat of olive oil promotes browning and helps the crust resist sticking when flipped. The oil will glisten and, when it hits the hot grate, sparks a satisfying sizzle. Too much oil leads to greasy spots, so a modest brush is ideal.
Flip the pizza dough onto the grill, oil side down, and peel back the parchment paper from the top side: The flip reveals the oiled side meeting the hot grates, and you will hear an immediate sear. Removing the parchment lets the dough make full contact with the heat for an even char. If the dough sticks during transfer, give it a moment to set then try again gently rather than forcing it, which can tear the crust.
Grill for 2 minutes with lid open: Two minutes at high heat creates a bronzed underside and sets the dough so it has structure. You will see small blisters rise and feel the surface firm slightly. Keep the lid open so the top does not overproof, and watch closely because heat can vary widely across grills.
Using tongs, pull the pizza off the grate: At this point the bottom will be set enough to move, and you will notice a crisp, golden tone. Using tongs to lift prevents burns and helps you flip or reposition with control. If the crust tears, it likely needed another 30 to 60 seconds on the heat to solidify bonds.
Brush the top of the crust with olive oil and return it to the grill with the oil side down; grill for another 2-minutes: This second sear finishes the bottom and crisps edges, producing a satisfyingly crunchy bite. You will hear a deeper sizzle and see more blistering occur. Overdoing it causes an overly hard crust, so monitor closely and remove when richly browned.
Remove the crust from the grill to add the toppings: The warm crust should feel slightly springy and smell toasty. Removing to a flat surface gives you control to spread toppings without slipping. If you add wet toppings to a piping hot crust, they can slide; let the surface cool for a minute if needed.
Spread cream cheese on top and layer with grilled onions, avocado, tomatoes, lox and cheese: Starting with a creamy foundation, you will feel the spread glide and see a neat layering effect. The grilled pieces add smoky edges and the lox keeps its silky texture since it is not heated. A common mistake is piling too high, which makes slicing messy, so arrange toppings evenly.
If the bottom of the crust is well browned, place a piece of foil the size of the pizza onto the grates: The foil acts as a heat shield to prevent further browning of the base while the toppings warm. You will notice a gentler heat under the foil, allowing cheese or spreads to soften without scorching the bottom. Neglecting this can lead to an overcooked base before toppings meld.
Transfer topped pizza back to the grill and close the lid: With the lid closed you will hear a soft hush as the enclosed heat encourages melting and melding of flavors. This step is about gentle finishing rather than cooking. Check often to avoid overmelting or steaming the crust too much.
At this point you are just melting the cheese: You will see the cream cheese relax and any softer elements soften slightly. The aroma will turn richer and more integrated. Avoid leaving it until the toppings run excessively, which can make the crust soggy.
Remove pizza from the grill, top with capers, dill and everything bagel seasoning: The final scatter of capers , dill , and everything bagel seasoning adds bursts of brine, herb brightness, and crunchy texture. The contrast of warm and cool, smoky and salty, is most pronounced now. Add these last so they retain their texture and pop.
Serve immediately: Serve while the crust is still warm and the toppings have just come together. You will notice the contrast between the toasty base and silky toppings, which is the heart of this recipe. Waiting too long diminishes that contrast, so aim to slice and enjoy right away.