Preparing Irish Vegetarian Stew is a straightforward process. Follow these steps to create a delicious and hearty meal:

1. Heat the Oil: In a large pot, heat the olive oil over medium heat.
2. Sauté the Onion: Add the diced onion and sauté until it becomes translucent, about 5 minutes.
3. Add Garlic: Stir in the minced garlic and cook for an additional minute until fragrant.
4. Incorporate Carrots and Potatoes: Add the sliced carrots and diced potatoes to the pot, stirring to combine.
5. Add Mushrooms and Green Beans: Mix in the sliced mushrooms and chopped green beans, cooking for another 5 minutes.
6. Pour in Broth: Pour the vegetable broth into the pot and stir in the tomato paste.
7. Season: Add the dried thyme, dried rosemary, salt, and pepper. Stir well to combine all the ingredients.
8. Simmer: Bring the stew to a boil, then reduce the heat to low. Cover and let it simmer for 30-40 minutes, or until the vegetables are tender.
9. Taste and Adjust Seasoning: Before serving, taste the stew and adjust the seasoning if necessary.
10. Garnish: Serve the stew hot, garnished with fresh chopped parsley.

These simple steps will guide you in creating an incredible Irish Vegetarian Stew that will warm your heart and nourish your body.