Follow these step-by-step instructions to create the perfect pot of homemade chicken soup. The key is to build layers of flavor at each stage, resulting in a soup that tastes like it has been simmering for hours.

1. Sauté the Aromatics: Place a large pot or Dutch oven over medium heat. Add the olive oil. Once the oil is shimmering, add the diced onion, sliced carrots, and sliced celery. This trio is known as a mirepoix and is the foundation of countless classic soups and stews. Sauté for 6-8 minutes, stirring occasionally, until the vegetables have softened and the onion is translucent. This step is crucial for developing a deep, savory base.
2. Bloom the Garlic: Add the minced garlic to the pot and cook for another minute until fragrant. Be careful not to let it brown, as burnt garlic can impart a bitter taste to your soup. This quick “blooming” process unlocks the garlic’s full aromatic potential.
3. Sear the Chicken: Push the vegetables to the sides of the pot to create a space in the center. Add the whole chicken thighs to the pot. Season them generously with salt and pepper. Let them cook for 2-3 minutes per side, just until they get a light golden-brown sear. You are not trying to cook them through at this stage; you are simply browning the outside to lock in juices and create more flavor.
4. Simmer the Soup: Pour the low-sodium chicken broth into the pot. Use a wooden spoon to gently scrape any browned bits from the bottom of the pot—this is called deglazing, and those bits are packed with flavor. Add the dried thyme and the bay leaf. Bring the soup to a boil, then immediately reduce the heat to low, cover the pot, and let it simmer for 20-25 minutes. This simmering time allows the chicken to cook through and become tender, while the flavors of the herbs and vegetables meld together beautifully.
5. Shred the Chicken: Carefully remove the cooked chicken thighs from the soup and place them on a cutting board or in a shallow bowl. The soup should remain simmering on low heat. Using two forks, shred the chicken into bite-sized pieces. The meat should be very tender and easy to pull apart.
6. Add the Remaining Ingredients: Return the shredded chicken to the pot of soup. Add the frozen corn and frozen peas. Increase the heat to medium and let the soup cook for another 5-7 minutes, or until the frozen vegetables are heated through.
7. Finish and Season: Turn off the heat. Remove and discard the bay leaf. Stir in the freshly chopped parsley. Taste the soup and season generously with salt and freshly ground black pepper until the flavors are balanced and to your liking. Don’t be shy with the seasoning; a well-seasoned soup is a delicious soup.