These Zucchini Pizza Bites are one of my favorite quick snacks to make when I want something that feels indulgent but is actually pretty light. They’re fast, straightforward, and you can make a tray in the time it takes to preheat your oven. If you’ve got zucchini on hand and a jar of marinara, you’re already halfway there.

I love that this recipe works in an air fryer or an oven without any other tweaks — just choose your method and follow the same assembly. The bites crisp around the edges, the cheese melts perfectly, and the pepperoni and olives give you that familiar pizza flavor in a bite-sized package.

Below you’ll find the exact ingredients and step-by-step directions, followed by tips I use every time to get consistent results. No gimmicks, just practical advice so your first batch comes out great.

The Ingredient Lineup

Ingredients

1 large zucchini (cut into ¼-inch slices) — base for the bites; slices should be even so they cook uniformly.
¼ cup marinara sauce — provides the pizza sauce; spread thin for balance.
½ cup mini pepperoni (slices) — the savory topping; use mini or cut larger slices to fit.
¼ cup black olives (sliced) — adds salty contrast and texture.
1 cup mozzarella cheese (freshly shredded) — melts into gooey, golden topping.
1 teaspoon Italian seasoning — brings classic pizza herb notes.
1 teaspoon red pepper flakes — adds a touch of heat; reduce if you prefer mild.

Step-by-Step: Zucchini Pizza Bites

If your zucchini is not already sliced, cut the 1 large zucchini crosswise into 1/4-inch rounds and pat the slices dry with a paper towel.
Choose your cooking method: for oven — preheat oven to 400°F and line a baking sheet with parchment paper; for air fryer — set the air fryer to 400°F (preheat if your model recommends).
Arrange the zucchini slices in a single layer on a large plate (for staging) or directly on the lined baking sheet. Work in batches if needed to avoid overlap.
Assemble the bites: spread the 1/4 cup marinara sauce evenly over the zucchini slices (about 1 teaspoon per slice), top each slice with pieces from the 1/2 cup mini pepperoni and the 1/4 cup sliced black olives, then sprinkle the 1 cup freshly shredded mozzarella over the slices. Evenly sprinkle the 1 teaspoon Italian seasoning and 1 teaspoon red pepper flakes over all the bites.
Air fryer method: place the assembled zucchini slices in a single layer in the air fryer basket (cook in batches if necessary). Cook at 400°F for 5 minutes, or until the cheese has melted and the edges are lightly browned. Remove and serve immediately.
Oven method: place the assembled zucchini slices on the prepared baking sheet in a single layer. Bake at 400°F for 8 minutes, then switch to broil and broil 3–4 minutes more until the cheese is golden brown and bubbling (watch closely to avoid burning). Remove and serve immediately.
Let the bites cool for a minute if needed before serving.

Why This Recipe Belongs in Your Rotation

This recipe is fast and forgiving. It uses pantry and fridge staples and converts them into a portable snack or appetizer in under 20 minutes. The zucchini provides a neutral, slightly sweet base that takes on the tomato, cheese, and spices beautifully. The finished bites hit the same flavor notes as pizza but with fewer carbs and more vegetables.

It’s also flexible. You can scale it up for a crowd or make just a few for a quick midday bite. The timing stays consistent because the zucchini slices are thin and cook quickly; that predictability is handy when juggling oven times or entertaining.

Finally, the texture contrast is satisfying: tender zucchini, bubbling cheese, and crisped pepperoni edges if you broil or use an air fryer. That contrast is what makes these feel like a treat rather than a simple veggie snack.

Ingredient Swaps & Substitutions

Marinara sauce — swap with pizza sauce, crushed tomatoes seasoned with garlic and oregano, or even a thin pesto for a different flavor profile.
Mini pepperoni — replace with chopped salami, diced ham, or omit for a vegetarian version; sun-dried tomatoes work well too.
Black olives — capers or sliced roasted red peppers are good alternatives if you want less olive-forward flavor.
Mozzarella — use a blend of mozzarella and provolone, or a dairy-free shredded cheese for a vegan option (melting performance will vary).
Italian seasoning and red pepper flakes — substitute with fresh oregano and a pinch of cayenne if you prefer certain spices.

Essential Tools for Success

Serrated knife or mandoline — for even 1/4-inch zucchini slices; a mandoline speeds the process and keeps slices uniform.
Parchment paper or air fryer liner — prevents sticking and simplifies cleanup.
Air fryer or oven with broiler — either works; air fryer gives faster browning without switching settings, oven broil finishes with classic golden tops.
Small spoon or piping bag — handy for controlling marinara distribution so the zucchini doesn’t get soggy.
Tongs or spatula — for removing hot bites safely from the air fryer basket or baking sheet.

Steer Clear of These

A few mistakes can send these from excellent to soggy or burnt. First, don’t pile on too much sauce. The recipe calls for 1/4 cup total — about 1 teaspoon per slice — which keeps the zucchini from releasing excess moisture and drowning the crust. Second, don’t crowd your air fryer or baking sheet. Overlapping slices steam instead of crisp. Finally, watch the broil step. Cheese can go from golden to black quickly, so stay close and keep the oven door cracked if your broiler is particularly fierce.

Seasonal Twists

Summer zucchini are sweet and small, which makes excellent bites. If you’re making these in the height of zucchini season, try thin slices of fresh heirloom tomatoes instead of olives for a brighter, fresher flavor. In cooler months, roasted red peppers and caramelized onions add depth and richness.

For a spring twist, scatter a few fresh basil leaves over the hot bites right before serving. In autumn, a sprinkle of crumbled cooked sausage with sage can lean into cozy flavors while still keeping the format intact.

Little Things that Matter

Dry the zucchini slices well before assembly. Even a quick pat with a paper towel removes surface moisture that otherwise steams during cooking. Use freshly shredded mozzarella rather than pre-shredded when possible; it melts more uniformly and gives a creamier texture.

Distribute toppings evenly. Small pepperoni slices and olive pieces should be cut or arranged so each bite has a balanced flavor. When broiling, move the pan to the center rack for even heat exposure and rotate the sheet if your oven has hot spots.

Prep Ahead & Store

Prep options make this recipe easy to fit into a busy day. Slice the zucchini up to a day ahead and store the slices between paper towels in an airtight container in the fridge. You can also pre-assemble the bites on parchment-lined trays and keep them covered in the refrigerator for a few hours before cooking — just add an extra minute or two to the cook time if they’re chilled.

Leftovers keep for 2–3 days in an airtight container. Reheat in an air fryer at 350°F for 3–4 minutes or in a 350°F oven for 5–7 minutes to refresh the crisp edges and remelt the cheese. Microwaving works but will make the zucchini softer.

Quick Questions

Can I make these gluten-free? Yes. The recipe is naturally gluten-free as written; just double-check your marinara and pepperoni labels if you have a gluten sensitivity.
Can I freeze them? I don’t recommend freezing after baking; the texture changes and becomes watery when thawed. You can freeze raw, assembled bites on a tray until firm, then transfer to a bag and bake from frozen with a few extra minutes.
How many bites does this make? Yield depends on zucchini diameter, but one large zucchini sliced 1/4-inch usually makes around 12–16 slices.
Can kids help assemble? Absolutely. Spreading sauce and sprinkling cheese are kid-friendly tasks and make for a fun, hands-on activity.

Next Steps

Ready to make them? Gather your zucchini, marinara, and toppings, and pick your method — oven or air fryer. Follow the steps exactly for best results. If you like, experiment with a topping swap from the substitutions list and note what you loved for the next batch.

If these were a hit, save the recipe and try doubling it for a party platter. They make a great appetizer, finger food for game day, or a simple side with a big salad. Enjoy — and let the little, perfectly cheesy bites do the heavy lifting when you want pizza without the fuss.

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Zucchini Pizza Bites (Air Fryer Or Oven)

Craving pizza but want to keep things light and healthy?…

Prep Time10

Cook Time5

Total Time15

Course: Appetizer

Servings: 4 servings

Ingredients

1 largezucchini cut into 1/4-inch slices
1/4 cupmarinara sauce
1/2 cupmini pepperoni slices
1/4 cupblack olives sliced
1 cupmozzarella cheese freshly shredded
1 teaspoonItalian seasoning
1 teaspoonred pepper flakes

Instructions

If your zucchini is not already sliced, cut the 1 large zucchini crosswise into 1/4-inch rounds and pat the slices dry with a paper towel.
Choose your cooking method: for oven — preheat oven to 400°F and line a baking sheet with parchment paper; for air fryer — set the air fryer to 400°F (preheat if your model recommends).
Arrange the zucchini slices in a single layer on a large plate (for staging) or directly on the lined baking sheet. Work in batches if needed to avoid overlap.
Assemble the bites: spread the 1/4 cup marinara sauce evenly over the zucchini slices (about 1 teaspoon per slice), top each slice with pieces from the 1/2 cup mini pepperoni and the 1/4 cup sliced black olives, then sprinkle the 1 cup freshly shredded mozzarella over the slices. Evenly sprinkle the 1 teaspoon Italian seasoning and 1 teaspoon red pepper flakes over all the bites.
Air fryer method: place the assembled zucchini slices in a single layer in the air fryer basket (cook in batches if necessary). Cook at 400°F for 5 minutes, or until the cheese has melted and the edges are lightly browned. Remove and serve immediately.
Oven method: place the assembled zucchini slices on the prepared baking sheet in a single layer. Bake at 400°F for 8 minutes, then switch to broil and broil 3–4 minutes more until the cheese is golden brown and bubbling (watch closely to avoid burning). Remove and serve immediately.
Let the bites cool for a minute if needed before serving.

Equipment

GoWISE USA Air Fryer

Notes

The larger zucchinis are much better for placing the ingredients on top.
If using medium sized zucchinis, cut them on a diagonal to create a larger surface for placing the toppings on.
Customize the toppings by using your favorite pizza toppings. Experimenting can be fun!
Include some black pepper for additional spice.
Zucchini pizza bites are definitely best served hot and fresh, but can be stored in the refrigerator in an airtight container for up to2 days.