Roasting corn in the toaster oven is a convenient alternative to firing up the grill or boiling it on the stove, plus it allows you to smother it with butter and herbs during the cooking process. It's especially low-maintenance if you plan on making only two to four cobs at a time. Not only is a toaster oven more energy-efficient than your full-size oven, but using it to prepare your corn will free up your full-size oven to cook your main dish at the same time.
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Husk your corn cobs and carefully remove all of the silk from them.
Rinse the corn cobs under cool running water to remove debris. Don't dry them off, as the dampness will help keep the corn cobs moist during the cooking process.
Place each corn cob in the center of a 12-inch square of aluminum foil; use a separate square for each cob.
Cover each cob with a dab of butter, if desired, using a butter knife or pastry brush.
Sprinkle the cobs with salt and pepper to taste. Add a dash of garlic powder or paprika, if desired. The seasonings will add some flavor and spiciness to your finished cobs.
Wrap each cob in its aluminum foil square. Twist the ends of the foil to retain the corn's natural moisture during the roasting process.
Place the wrapped corn cobs in your toaster oven, directly on the oven rack, and bake them at 350 degrees Fahrenheit for 40 minutes.
Remove each wrapped corn cob with tongs and put it on a plate to cool for 3 to 5 minutes.
Serve the roasted corn cobs right in the foil, or unwrap and plate them just before serving, pouring the butter onto the corn. The foil will keep the corn moist and warm until you are ready to serve.