The oven is more than a heat source—it is the engine of every bake. General temperature guidelines place cakes, cookies, and muffins at 325–350°F, breads, biscuits, and pie crusts at 375–425°F, and artisan breads and pizza at 450–500°F. Higher temperatures produce more rise and crustier exteriors. Preheating for at least 15–20 minutes ensures consistent heat from the start, which leaveners need to activate properly; placing items in a cold oven affects rise, texture, and browning.
Most ovens have hot spots—areas where temperature runs higher than the dial setting—and rotating pans 180° halfway through baking helps compensate, while an oven thermometer verifies the actual temperature. Convection baking uses a fan to circulate hot air, cooking faster and more evenly; bakers typically reduce the temperature by 25°F or shorten baking time by about 25% compared to conventional settings, and convection is especially well-suited to cookies and pastries. For delicate bakes like cheesecakes, custards, and crème brûlée, a water bath (bain-marie)—placing the pan inside a larger pan filled with hot water—provides gentle, even heat and moisture that prevents cracking and over-browning.