1-Step 1: Preheat and Prepare Start by preheating your oven to 425°F (220°C). This high temperature is essential for achieving that gorgeous golden-brown exterior while keeping the inside tender. A properly preheated oven ensures even cooking from the moment you put the squash in. While the oven heats, line a baking sheet with parchment paper this prevents sticking and makes cleanup a breeze.

2-Step 2: Cut and Clean the Squash Take your acorn squashes and slice off the top and bottom with a sharp knife. This creates flat surfaces so the squash sits stable on your cutting board. Cut each squash in half from top to bottom. Use a sturdy spoon to scoop out all the seeds and stringy bits from the center don’t skip this step, as those seeds can bitter your finished dish. Save the seeds if you’d like to roast them separately for a tasty snack!

3-Step 3: Slice into Even Pieces Slice each half into 1-inch thick slices, working from one end to the other. Try to keep the slices as uniform as possible this ensures they all cook at the same rate. Thinner slices will crisp up more, while thicker ones stay softer inside, so the 1-inch measurement is your sweet spot for the perfect balance of textures. Keep the skin on! It softens during roasting and helps the slices maintain their shape.

4-Step 4: Season Generously Place all your squash slices in a large mixing bowl. Add the olive oil, then toss to coat every piece. Next, add the parmesan cheese, garlic powder, salt, dried basil, dried thyme, and dried oregano. Toss everything together until each slice is well coated with the herb-cheese mixture. Don’t be shy get in there with your hands to ensure even coverage if needed.

5-Step 5: Arrange on Baking Sheet Transfer the coated squash slices to your prepared parchment-lined baking tray. Arrange them in a single layer with space between each piece overcrowding leads to steaming instead of roasting, and you want that caramelized exterior. If you have any leftover parmesan herb mixture in the bowl, press it onto the tops of the slices for extra flavor and a cheesier finish.

6-Step 6: Roast to Perfection Slide the baking sheet into your preheated oven and bake for 20 to 25 minutes. You’ll know it’s done when the squash is fork-tender and the tops are golden with crispy edges. If you want extra browning, you can pop the tray under the broiler for 1-2 minutes at the very end just watch carefully so it doesn’t burn.

7-Step 7: Serve and Enjoy Remove from the oven and let the squash rest for just a minute or two this helps the cheese coating set slightly. Serve warm as a side dish for dinner, or enjoy it as a light lunch. The slices are beautiful on their own, but a sprinkle of fresh herbs or a drizzle of balsamic glaze can elevate the presentation for special occasions.