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.
1 butternut squash, washed under running water. Turn the oven to 425F. There's no need to wait for the oven to preheat, put the squash on a baking sheet or in an oven-safe pan of some sort and put it straight in. Wait awhile, the house is going to start smelling really really good.