Cook the orzo pasta according to package instructions. Drain and set aside.

In a large skillet, heat olive oil over medium heat. Add finely chopped onions and sauté until translucent.

Add diced bell peppers and cook for another 3-4 minutes until they begin to soften.

Stir in chopped tomatoes and continue to cook for 2-3 minutes until the tomatoes release their juices.

Pour in vegetable stock and bring the mixture to a simmer. Let it cook for about 5 minutes to allow the flavors to meld.

Add fresh spinach to the skillet and toss until wilted.

Season the mixture with salt and pepper to taste. If desired, you can add a pinch of red pepper flakes for some heat.

Finally, add the cooked orzo pasta to the skillet and toss everything together until well combined.

Serve the Orzo Pasta hot, garnished with fresh herbs like basil or parsley if desired. Enjoy your flavorful and nutritious meal!