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.
Step 1. Preheat the oven to 350 degrees F. Wash the butternut squash under cool, running water, scrubbing lightly with a vegetable brush to remove external dirt. Blot dry with a paper towel and place the squash onto a large cutting board.tep 2. Cut the squash in half lengthwise with a sturdy butcher's knife. Use a spoon to scoop out the strings and seeds from inside each squash half. Discard the seeds and strings and set the squash aside.