Shares & Saves. Save. The British thermal unit, or BTU, is a unit of energy, one that is used to quantify the heating and cooling power of, water heaters, air conditioners and similar equipment.hares & Saves. Save. The British thermal unit, or BTU, is a unit of energy, one that is used to quantify the heating and cooling power of, water heaters, air conditioners and similar equipment.
Winter squash includes acorn squash, spaghetti squash, butternut squash, delicata squash, hubbard squash, kabocha squash, turban squash, sweet dumpling squash, and of course all types of pumpkins. Prepared winter squash also freezes well and keeps for about 6-8 months in the freezer.
Preheat oven to 400 degrees F (200 degrees C). Toss butternut squash with olive oil and garlic in a large bowl. Season with salt and black pepper. Arrange coated squash on a baking sheet. Roast in the preheated oven until squash is tender and lightly browned, 25 to 30 minutes.