Heat olive oil in a large pot over medium-high heat.
Add chopped onion and minced garlic and sauté for 5 minutes until translucent.
Stir in sliced carrots and diced potatoes and cook for another 5 minutes.
Add green beans, peas, and diced bell pepper, stirring well to combine.
Pour in vegetable broth and mix in tomato paste, soy sauce, thyme, and rosemary.
Bring the stew to a boil over high heat, then reduce heat to low.
Cover and simmer for 30-40 minutes, stirring occasionally, until vegetables are tender.
Season with salt and pepper to taste.
Remove from heat, garnish with fresh parsley, and serve warm.