Preheat your oven to 220°C (430°F). Line a baking sheet with parchment paper for easy cleanup.
Trim the woody ends off the asparagus, about 1-2 centimeters from the bottom, ensuring all stalks are uniform in size for even roasting.
Place the trimmed asparagus in a large mixing bowl and drizzle with 2 tablespoons of olive oil. Toss gently to coat each stalk evenly, feeling the stalks become glossy and well-covered.
Add the minced or smashed garlic to the bowl, distributing it evenly among the spears. Toss again to coat everything thoroughly, releasing fragrant garlic aroma.
Arrange the coated asparagus in a single layer on the prepared baking sheet, spreading them out so they aren’t crowded, which helps them get crispy and charred.
Roast in the oven for 12-15 minutes, shaking the pan halfway through. The asparagus will turn a vibrant green with some charred, crispy tips and fragrant garlic.
Once done, remove from the oven and transfer to a serving dish. Squeeze fresh lemon juice over the hot asparagus for a bright, zesty finish.
Finish with a pinch of flaky sea salt and a sprinkle of black pepper or red pepper flakes for an extra flavor boost. Serve immediately while still warm and fragrant.