Cooking transforms a simple vegetable into a flavorful side dish. It affects texture, color, and taste, while time, temperature, and the amount of water influence the result. Here are 10 methods for cooking vegetables, along with their uses, timing guidelines, and chef tips. Method Desired result Guideline Steaming Tender texture and preserved color Gentle cooking Boiling Purees, soups, and large quantities Drain as soon as cooked Oven Concentrated flavors and browned vegetables 190–210 °C Pan-frying Quick browning and crunchy texture Medium to high heat Wok Crunchy and colorful vegetables Short cooking over high heat Casserole/Dutch Oven Melting and fragrant vegetables Slow cooking BBQ or Griddle Grilled and smoky flavor Turn regularly Air Fryer Golden surface with little fat Follow device instructions Braising Melting texture and reduced sauce Brown then cook gently Blanching Prepare, freeze, or set color Cool in ice water 1. Steaming Steaming cooks vegetables without direct contact with water. It is suitable for broccoli, green beans, carrots, asparagus, cauliflower, zucchini, and potatoes. Adjust the time according to the size of the pieces and stop cooking as soon as the texture is to your liking. Vegetable Steam guideline Broccoli florets 6–8 min Green beans 8–10 min Sliced carrots 10–15 min Cubed potatoes 20–25 min CuisinerTelUnChef Chef Tip For green vegetables, cool them quickly in ice water if you want to stop the cooking and maintain a bright color. Finish with a lemon zester and chopped fresh herbs. 2. Boiling Boiling is suitable for potatoes, vegetables intended for a soup or puree, and large-quantity preparations. Immerse the vegetables in simmering water, watch their texture, and drain them as soon as they are cooked. Prolonged cooking can make them too soft. CuisinerTelUnChef Chef Tip Keep the cooking water when appropriate for the recipe: it can serve as a base for homemade broth or a soup. 3. Oven-roasted vegetables The oven concentrates flavors and colors the vegetables. Carrots, parsnips, squash, beets, onions, potatoes, Brussels sprouts, cauliflower, and broccoli are well suited to this. Preheat the oven to 190–210 °C depending on the recipe. Cut the vegetables into uniform pieces with a chef's knife or a mandoline. Add a little oil, salt, pepper, and the intended aromatics. Arrange the pieces in a single layer and turn them halfway through cooking. CuisinerTelUnChef Chef Tip Avoid overloading the tray. Leave space between pieces to encourage browning. The oil or butter guide can help you choose the appropriate fat. 4. Pan-frying The pan allows for quick searing of mushrooms, zucchini, bell peppers, onions, green beans, spinach, and asparagus. Use a sufficiently hot surface, avoid overfilling the pan, and adapt the heat to the thickness of the pieces. CuisinerTelUnChef Chef Tip Prepare garlic and shallots with a manual chopper. Add fresh herbs at the end of cooking to preserve their fragrance. 5. Wok cooking The wok works with high heat and short cooking times. Broccoli, carrots, bok choy, snap peas, bell peppers, zucchini, and mushrooms remain crunchier this way. Cut the vegetables into thin, uniform pieces, then add first those that require the most time. CuisinerTelUnChef Chef Tip Do not overload the wok. A mandoline can help achieve uniform cuts. Add garlic and ginger with a manual chopper, then finish with a few drops of sesame oil if the recipe calls for it. 6. Casserole/Dutch Oven cooking The casserole is suitable for turnips, carrots, potatoes, celeriac, leeks, and parsnips. Brown them, add a hot liquid and aromatics, then let simmer until the desired texture is achieved. Also, discover our tips on broths and soups. Lightly brown the vegetables. Add hot broth until partially covered. Add the aromatics and cover. Simmer over low heat while checking the texture. For a complete recipe, consult the traditional Pot-au-Feu or the traditional Beef Bourguignon. 7. Grilled vegetables on the barbecue and griddle Eggplant, zucchini, corn, bell peppers, red onions, asparagus, and mushrooms can be grilled or cooked on a griddle. Cut pieces evenly, lightly oil them, and turn them to avoid excessive browning. Find more tips in our guide to griddle and barbecue cooking. A little fresh herb or lemon zest prepared with a zester can complete the seasoning. 8. Air Fryer cooking The Air Fryer is suitable for small quantities of potatoes, sweet potatoes, cauliflower, broccoli, zucchini, and Brussels sprouts. Times and temperatures vary depending on the device, quantity, and size of the pieces: follow the instructions first and check the cooking progress. Vegetable Indicative guideline Cubed sweet potatoes 200 °C, 15–18 min Potato wedges 200 °C, 18–22 min Cauliflower florets 190 °C, 12–15 min Broccoli florets 190 °C, 10–12 min 9. Braising Braising combines initial browning and slow cooking with a cooking base. It is particularly suitable for endives, fennel, leeks, cabbage, celery, carrots, and turnips. CuisinerTelUnChef Chef Tip For braised endives, brown them, add a little broth, cover, and check the texture during cooking. Adjust seasoning at the end. 10. Blanching Blanching consists of briefly immersing vegetables in boiling water, then cooling them in ice water. This technique prepares certain vegetables before another cooking method, helps set their color, and can facilitate freezing. It does not always replace complete cooking. CuisinerTelUnChef Chef Tip Prepare the ice water before starting. Immediate cooling stops the cooking and helps maintain a firm texture. Common mistakes Cooking all vegetables the same way without considering their size. Cutting pieces of different sizes. Overloading a pan, tray, or wok. Leaving vegetables in their cooking water after they are tender. Handling a blade or mandoline without finger guards. Relying on a fixed time without checking texture and device instructions. Which cooking method to choose? Desired result Recommended technique Examples Tender texture and bright color Steaming Broccoli, beans, asparagus Concentrated flavors Oven Carrots, squash, beets Quick browning Pan-frying Mushrooms, zucchini Crunchy Wok Broccoli, peppers, carrots Grilled flavor Barbecue or griddle Eggplant, peppers Melting texture Casserole or Braising Leeks, turnips, fennel Preparation before freezing Blanching Green vegetables Frequently asked questions Which method to choose for green vegetables? Steaming or blanching followed by rapid cooling works well. Check the texture to avoid overcooking. Why do cooking times vary? Variety, maturity, piece size, quantity, and the appliance change the required time. The suggested guidelines are indicative. Can you reheat cooked vegetables? Yes. The pan or Air Fryer can help restore a more pleasant texture by adjusting the temperature to the preparation. Which appliance to use for a large quantity? A casserole, oven, or boiling can be suitable depending on the recipe. Avoid overloading the container to achieve even cooking. Associated guides and recipes Complete guide to cooking vegetables Griddle and barbecue guide Aromatic herbs guide Broth and soup guide Oil or butter guide in cooking Traditional Beef Bourguignon Oven-roasted chicken Equip yourself like a chef To prepare your vegetables with more consistency, find our kitchen knives, cutting boards, mandolines, manual choppers, and zester-graters. Cook like a Chef with CuisinerTelUnChef Steaming for delicacy, oven for depth, pan for speed, wok for crunch, casserole for tenderness: every method has its place. By adapting the cut, temperature, and time to each vegetable, you can prepare flavorful and consistent side dishes on a daily basis.