To a large 18 x 26-inch baking sheet, add your prepared broccoli and carrots. Add the olive oil, salt, and pepper, and toss to coat. If you're adding any optional toppings, add them now, too. Then, spread the vegetables out in a single layer.
2 tablespoons extra virgin olive oil, ½ teaspoon salt, ½ teaspoon black pepper, 1 tablespoon butter, 2 cloves garlic, minced, ½ teaspoon garlic and/or onion powder, ½ teaspoon crushed red pepper, 2 teaspoons lemon juice or zest, 2 tablespoons grated Parmesan cheese or nutritional yeast