How to Cook Zucchini: Roast, Saute, Grill, Stir-Fry

Learn how to cook zucchini four different ways with this clear, step-by-step guide. Whether you prefer grilled zucchini, oven-roasted zucchini, sautéed zucchini on the stovetop, or air-fried zucchini, these simple, tested methods will give you flavorful, healthy results every time.

Zucchini is abundant in the summer and one of the most versatile vegetables in the kitchen. It cooks quickly, absorbs flavors well, and works in a wide range of dishes. Below you’ll find four reliable methods—grilling, oven roasting, sautéing, and air frying—each with helpful tips so you can choose the texture and flavor you prefer.

All of the techniques in this guide take 20 minutes or less from start to finish, and you can easily swap zucchini for summer squash or mix the two together. Use the basic seasoning suggestions here, or add your favorite herbs and finishes for a personalized touch.

Grilled zucchini

1. Preheat the grill to medium-high, roughly 350–400°F.
2. Slice zucchini lengthwise into spears. Place in a bowl or baking dish, drizzle with olive oil, and season with your preferred seasoning (a simple salt-and-pepper or a blended vegetable seasoning works well).
3. Place spears on the hot grill and cook 4–6 minutes per side, flipping once, until tender and lightly charred. Remove and serve immediately for best texture.

Tip: Instead of just seasoning before grilling, you can marinate the zucchini briefly in olive oil, lemon, and garlic for extra flavor. Grilled zucchini perks up salads and grain bowls and makes a great side for grilled proteins.

Oven roasted zucchini

1. Preheat the oven to 425°F.
2. Dice zucchini into 1-inch cubes. Toss in a bowl with olive oil and seasoning.
3. Spread the cubes in a single layer on a parchment-lined baking sheet and roast 18–20 minutes, turning once if needed, until edges brown and centers are tender.

Roasting concentrates zucchini’s flavor and creates lightly crisp edges. It’s a great option for salads, pasta additions, or as a simple side dish.

Sautéed zucchini

1. Cut zucchini in half lengthwise, then slice into 1/4-inch half-moons for even cooking.
2. Heat olive oil in a large skillet over medium-high heat. When the oil shimmers, add zucchini and season.
3. Sauté for about 8–10 minutes, stirring occasionally, until zucchini is tender and slightly golden.

Sautéing is the quickest stovetop method and gives tender, slightly caramelized zucchini. Finish with a squeeze of lemon or a sprinkle of fresh herbs for brightness.

Air fryer zucchini

1. Dice zucchini into 1-inch cubes. Toss with olive oil and your chosen seasoning; add grated parmesan if you like.
2. Arrange in a single layer in the air fryer basket so the pieces can crisp evenly. Work in batches if necessary.
3. Cook at 400°F for 13–15 minutes, shaking the basket halfway through for even browning. Serve right away.

The air fryer delivers tender zucchini with a pleasantly crisp exterior without added oil or fuss. It’s an efficient method for small batches and reheating leftovers.