To a small or medium baking sheet, add your prepared asparagus. Add the olive oil, salt, and pepper, and toss to coat. If you're adding any optional flavor-boosters, add them now, too. Then, spread the vegetables out in a single layer.
1 tablespoon olive oil, ¼ teaspoon salt, ¼ teaspoon black pepper, 2 cloves garlic, minced, 1 large shallot, diced, 2 teaspoons lemon juice, ½ teaspoon crushed red pepper flakes, 1 tablespoon Parmesan cheese, grated or shaved, 1 tablespoon butter