Ingredients
Scale
- Olive Oil (Extra Virgin): 2 tablespoons. This forms the flavorful base for sautéing our aromatics. A good quality extra virgin olive oil will impart a subtle peppery note.
- Yellow Onion: 1 large (about 1.5 cups diced). Yellow onions provide a sweet and savory foundation when softened. You can substitute with a white onion or even shallots for a milder flavor.
- Garlic: 3-4 cloves, minced (about 1 tablespoon). Fresh garlic is key here for its pungent, aromatic kick. Adjust to your preference – more for garlic lovers!
- Potatoes: 2 large russet potatoes or 3-4 medium Yukon Gold potatoes (about 2.5-3 cups diced). Russets break down beautifully, lending a natural creaminess. Yukon Golds also work well and have a lovely buttery texture. Peel them for the smoothest soup, though leaving the skins on (well-scrubbed) adds extra nutrients.
- Zucchini: 4 medium (about 4-5 cups diced). The star of the show! Choose firm zucchinis with smooth, unblemished skin. No need to peel them, as the skin contains nutrients and adds a lovely green hue.
- Vegetable Broth: 6 cups (low sodium preferred). A good quality vegetable broth enhances the vegetable flavors. You can use homemade or store-bought. Chicken broth can also be used if you’re not strictly vegetarian.
- Fresh Thyme: 2 sprigs, or 1/2 teaspoon dried thyme. Thyme adds a wonderful earthy, slightly lemony aroma that complements zucchini and potatoes perfectly.
- Fresh Parsley: 1/4 cup chopped, plus more for garnish. Parsley brightens the soup with its fresh, clean taste. Add it towards the end of cooking to preserve its flavor and color.
- Salt: 1 teaspoon (or to taste). Essential for bringing out all the flavors. Start with less and add more as needed, especially if your broth is not low sodium.
- Black Pepper: 1/2 teaspoon freshly ground (or to taste). Adds a gentle warmth.
- Optional for Creaminess/Richness:
- 1/4 – 1/2 cup heavy cream or half-and-half (for a richer, classic creamy soup)
- 1/2 cup full-fat coconut milk (for a dairy-free creamy option)
- 1/4 cup plain Greek yogurt or sour cream (stir in off-heat for tanginess)
- Optional for Brightness:
- 1 tablespoon fresh lemon juice (added at the end)
Instructions
- Prepare the Aromatics:
- Heat the olive oil in a large pot or Dutch oven over medium heat.
- Once the oil is shimmering, add the diced onion. Sauté for 5-7 minutes, stirring occasionally, until softened and translucent. Be careful not to brown them, as this can make the soup taste bitter. We’re looking for a gentle sweat to release their sweetness.
- Add the minced garlic and cook for another 1-2 minutes until fragrant. Stir constantly to prevent the garlic from burning.
- Add the Hearty Vegetables:
- Add the diced potatoes to the pot. Stir to coat them with the oil and aromatics. Cook for about 3-5 minutes, allowing them to soften slightly around the edges. This little step helps build another layer of flavor.
- Next, add the diced zucchini to the pot. Stir well to combine with the onions and potatoes.
- Simmer to Softness:
- Pour in the vegetable broth, ensuring the vegetables are mostly submerged. If needed, add a little more broth or water.
- Add the fresh thyme sprigs (or dried thyme), 1 teaspoon of salt, and 1/2 teaspoon of black pepper.
- Bring the soup to a boil, then reduce the heat to low, cover the pot, and let it simmer for 15-20 minutes, or until the potatoes and zucchini are very tender. You should be able to easily pierce them with a fork.
- Blend to Smoothness:
- Once the vegetables are tender, remove the pot from the heat. If you used fresh thyme sprigs, remove them now.
- Using an Immersion Blender: This is the easiest method. Carefully insert the immersion blender into the pot and blend until the soup reaches your desired consistency – from slightly chunky to perfectly smooth and velvety. Be cautious of splatters, especially when the soup is hot. Start at a low speed.
- Using a Countertop Blender: If you don’t have an immersion blender, allow the soup to cool slightly before transferring it in batches to a countertop blender. Never fill the blender more than halfway with hot liquid. Remove the center cap from the blender lid and cover the opening with a folded kitchen towel to allow steam to escape. Blend each batch until smooth, then pour into a clean pot or back into the original pot (if large enough).
- Safety Tip: Hot liquids expand in a blender. Always exercise caution.
- Final Touches & Seasoning:
- Return the blended soup to the pot if necessary and place it over low heat.
- Stir in the chopped fresh parsley.
- If using optional creamy additions: Gently stir in the heavy cream, coconut milk, Greek yogurt, or sour cream now. Heat through gently, but do not bring to a boil if you’ve added dairy like yogurt or sour cream, as it can curdle.
- If using optional brightness: Stir in the fresh lemon juice.
- Taste the soup and adjust seasoning as needed. You might want to add more salt, pepper, or even a pinch of your favorite herbs.
- Serve and Enjoy:
- Ladle the hot soup into bowls. Garnish as desired (see “How to Serve” section for ideas).
Nutrition
- Serving Size: One Normal Portion
- Calories: 150-180