Step 1

 Cook 1 pound of rotini pasta in a pot of salted boiling water until al dente. Make sure to reserve at least 1/2 cup of pasta water. 

Step 2

Add 4 tablespoons of olive oil into a pan, and let it heat up to medium-high heat. Then add for minced garlic cloves let them sizzle for a few seconds while stirring.

Step 3

Then add half of a red chopped onion and stir until the onion becomes tender.

Step 4

No add in 1 1/2 cups of broccoli florets and with 1 sliced red bell pepper and sauté few minutes until the vegetables become tender. 

Step 5

Now add one sliced zucchini along with one sliced yellow zucchini squash, 1/2 teaspoon salt, and 1/8 teaspoon black pepper. Sauté for about 2 minutes.

Step 6

Once you've cooked the vegetables cooked, you can add your cooked rotini pasta, 1 cup grated Parmesan cheese, and half a cup of hot pasta water.

Step 7

Stir everything together until the cheese is melted. Serve hot.