Step 1

Bring a large pot of salted water to a boil. Cook the spaghetti until al dente, according to package instructions (about 9 minutes).

Step 2

Meanwhile, heat a large skillet or large pot over medium-high heat. Spray with olive oil and add in the onion, bell peppers, salt and pepper.

Step 3

Cook for 5 minutes until the veggies start to soften, then add the garlic and cook 1 minute, until fragrant.

Step 4

Stir in the Arrabbiata sauce, and simmer for 5 minutes.

Step 5

Add in the shrimp and cook for 5-7 minutes, until the shrimp are cooked through.

Step 6

Drain the pasta and add it to the sauce along with the spinach. Toss to coat evenly and serve hot.