Step 1: Prepare the Enchanted Beef

In a large bowl, combine the 1/2 cup of all-purpose flour, kosher salt, black pepper, and smoked paprika. Whisk them together to create your “magical dust.” Add the cubed beef chuck to the bowl and toss thoroughly until every piece is evenly coated. This flour coating is crucial; it helps create a beautiful brown crust on the meat and will later serve to thicken our stew naturally.

Step 2: Sear the Beef to Seal the Magic

Place a large Dutch oven or heavy-bottomed pot over medium-high heat. Add 2 tablespoons of olive oil. Once the oil is shimmering, carefully add half of the floured beef cubes to the pot in a single layer. Do not overcrowd the pan! This is the most important secret to a good sear. Overcrowding will steam the meat instead of browning it. Sear the beef for 3-4 minutes per side, until a deep, dark brown crust forms. This process, the Maillard reaction, is where the foundational flavor of your stew is born. Once seared, remove the beef with a slotted spoon and set it aside on a plate. Add the remaining 2 tablespoons of oil and repeat the process with the second batch of beef.

Step 3: Build the Aromatic Foundation

Reduce the heat to medium. To the now-empty pot (don’t clean it!), add the chopped yellow onions, carrots, and celery. This trio, known as a mirepoix, is the soul of countless savory dishes. Sauté the vegetables, stirring occasionally, for about 8-10 minutes, until the onions have softened and become translucent. Use your spoon to scrape up any browned bits (fond) from the bottom of the pot; these are nuggets of pure flavor. Add the minced garlic and tomato paste to the pot. Cook for another 2 minutes, stirring constantly, until the garlic is fragrant and the tomato paste has darkened slightly in color. This step toasts the paste, deepening its umami character.

Step 4: Deglaze and Conjure the Broth

Pour the entire bottle of dark beer into the pot to deglaze it. As the beer sizzles, use a wooden spoon or spatula to vigorously scrape the bottom of the pot, releasing every last bit of that flavorful fond. Let the beer bubble and reduce by about half, which should take 3-5 minutes. This cooks off the raw alcohol taste and concentrates the beer’s malty flavor.

Next, pour in the beef broth. Stir in the Worcestershire sauce, brown sugar, bay leaves, dried thyme, and dried rosemary. Bring the mixture to a gentle simmer.

Step 5: The Long, Slow Simmer

Return the seared beef and any accumulated juices from the plate back into the pot. Stir everything together. Once the liquid returns to a simmer, reduce the heat to the lowest possible setting that maintains a very gentle bubble. Cover the pot and let it simmer for at least 2 hours. This “low and slow” cooking method is what breaks down the tough connective tissues in the chuck roast, transforming it into melt-in-your-mouth tender morsels.

Step 6: Add the Final Ingredients

After 2 hours of simmering, the beef should be starting to get tender. Uncover the pot and add the quartered potatoes and the mushrooms. Stir them into the stew, ensuring they are mostly submerged in the liquid. Place the lid back on the pot and continue to simmer for another 60-90 minutes, or until the potatoes are fork-tender and the beef is incredibly soft and falls apart easily.

Step 7: The Finishing Touch

In the last 5 minutes of cooking, stir in the frozen peas if you are using them. They only need a few minutes to heat through and will add a lovely burst of sweetness and vibrant green color. Taste the stew and adjust the seasoning with more salt and pepper if needed. Remove the bay leaves before serving. Let the stew rest off the heat for 10-15 minutes to allow the flavors to meld one last time.