Step 1: Cook spaghetti according to package instructions until al dente, then drain and set aside.

Step 2: In a large skillet, heat olive oil over medium heat. Add garlic and sauté until fragrant, about 1 minute.

Step 3: Add bell peppers, zucchini, and broccoli to the skillet. Cook for 5-7 minutes until vegetables are tender-crisp.

Step 4: Stir in cherry tomatoes and cook for another 2 minutes until slightly softened.

Step 5: Add the cooked spaghetti to the skillet and toss with the vegetables.

Step 6: Sprinkle Parmesan cheese over the pasta and season with salt and pepper to taste.

Step 7: Remove from heat and stir in fresh basil.

Step 8: Serve warm, garnished with extra Parmesan and basil if desired.