It is usually applied to a combustible fuel mixture. Autoignition temperatures of liquid chemicals are typically measured using a 500-millilitre (18 imp fl oz; 17 US fl oz) flask placed in a temperature-controlled oven in accordance with the procedure described in ASTM E659.
Baked Butternut Squash - Directions. 1  Preheat oven to 350 degrees F (175 degrees C). 2  Place squash, cut sides down, in a 9x13 baking dish. 3  Bake in the preheated oven until tender and easily pierced with a fork, about 1 1/2 hours.
Butternut squash will keep for months in a cool, dry place. When a recipe calls for mashed squash, the easiest way to prepare it is to cut the squash in half vertically, and remove the seeds and fibers with a spoon. Place the halves, cut sides down, in a 13 x 9-inch baking dish.