Preheat your oven to 200°C (390°F). This ensures it’s ready for roasting the squash to perfection.
Peel the butternut squash using a peeler, then cut it into 2cm (3/4 inch) cubes with a sharp knife. Aim for even pieces so they cook uniformly.
In a large bowl, toss the squash cubes with olive oil, salt, and chopped sage. Make sure each piece is well-coated and fragrant with the herbal aroma.
Spread the coated squash in a single layer on a baking sheet, ensuring they aren’t crowded. This helps them roast evenly and develop crispy edges.
Roast the squash in the oven for 25-30 minutes, until the edges are golden brown and caramelized, and the flesh is tender when pierced with a fork.
While the squash roasts, warm a tablespoon of honey and a pinch of red pepper flakes in a small pan over low heat until just bubbling and fragrant.
Remove the roasted squash from the oven and transfer it to a large bowl. Drizzle the warm honey mixture over the top and gently toss using a silicone spatula to coat evenly.
Return the glazed squash to the oven for an additional 5 minutes to allow the honey to set and create a sticky, glossy finish.
Remove the squash from the oven and let it rest for a few minutes. If desired, sprinkle with lemon zest for a bright, citrusy note.
Serve warm, garnished with extra sage if you like, and enjoy the fragrant, caramelized bites of this sweet, herbal roasted butternut squash.