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.
Bake the squash. Thin-skinned squash cut into small pieces will roast in about 20 to 30 minutes. Thicker-skinner squash cut in large pieces will take 30 to 45 minutes to roast.