- 12 small to medium Brussels sprouts
- 1 1/2 tablespoons extra-virgin olive oil, plus more as needed
- 1 teaspoon kosher salt
- 3/4 teaspoon freshly ground black pepper, plus more to taste
- 1 teaspoon onion powder
- 1 teaspoon garlic powder
- 1 teaspoon celery salt
- 1 handful crumbled bacon (optional)
- 1 teaspoon grated lemon zest (optional)
- 1 tablespoon Parmesan cheese grated or shredded (optional)