Heat the Base Ingredients: Start by placing a large pot or Dutch oven over medium heat and adding the olive oil. Once the oil warms up, add the chopped onion and cook for several minutes while stirring occasionally. The onions should soften and become slightly translucent as they release their natural sweetness.
Add Garlic and Aromatics: Stir the minced garlic into the softened onions and allow it to cook for about one minute. Garlic quickly releases its aroma in warm oil, which helps create a flavorful base for the stew. Keep stirring gently so the garlic cooks evenly without browning too quickly.
Add the Vegetables: Next, add the cubed potatoes, sliced carrots, chopped celery, cabbage, and mushrooms to the pot. Stir everything together so the vegetables mix well with the onions and garlic. Allow them to cook for several minutes so they begin softening slightly.
Pour in the Broth: Carefully pour the vegetable broth over the vegetables, ensuring everything sits comfortably in the liquid. The broth will become the heart of the stew, slowly absorbing flavor from the vegetables as everything simmers together.
Season the Stew: Add dried thyme, rosemary, the bay leaf, salt, and black pepper into the pot. Stir gently so the herbs spread evenly throughout the broth. These herbs give the stew its warm, traditional flavor that feels rustic and comforting.
Simmer Slowly: Bring the stew to a gentle boil, then reduce the heat to low and cover the pot. Allow the stew to simmer for about 25 to 30 minutes. During this time the vegetables soften and the broth thickens slightly as the potatoes release starch.
Taste and Adjust: Once the vegetables become tender, taste the stew and adjust seasoning if needed. Remove the bay leaf before serving. At this stage the broth should taste rich, fragrant, and comforting.
Serve Warm: Ladle the hot stew into bowls and sprinkle chopped parsley on top. The fresh herbs add color and brightness while the stew remains warm and hearty.