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.
Winter squash (butternut squash, acorn squash): 20 to 60 minutes, depending on how small you cut them. Crucifers (broccoli, cauliflower, Brussels sprouts): 15 to 25 minutes. Soft vegetables (zucchini, summer squash, bell peppers): 10 to 20 minutes. Thin vegetables (asparagus, green beans): 10 to 20 minutes. Onions: 30 to 45 minutes, depending on how crispy you like them. Tomatoes: 15 to 20 minutes.