01 - Heat vegetable oil in a large Dutch oven or heavy-bottomed pot over medium-high heat. Season the beef cubes with salt and pepper. Working in batches to avoid crowding, brown the beef on all sides, transferring each batch to a plate once seared.
02 - Reduce heat to medium. Add the chopped onion and minced garlic to the pot, sautéing until softened, about 3 minutes. Stir in the flour and tomato paste, cooking for 1 minute to form a roux.
03 - Gradually pour in the red wine, scraping up any browned bits from the bottom of the pot. Return the seared beef and any accumulated juices back to the pot. Add the carrots, celery, potatoes, beef stock, bay leaves, dried thyme, and paprika. Stir everything together until well combined.
04 - Bring the mixture to a boil, then reduce the heat to low. Cover the pot and simmer gently for 2 hours, stirring occasionally to prevent sticking.
05 - Remove the lid and stir in the frozen peas. Continue simmering uncovered for an additional 15 minutes, or until the beef is fork-tender and the broth has reduced and thickened to your preferred consistency.
06 - Discard the bay leaves. Taste and adjust seasoning with additional salt and pepper as needed. Ladle into bowls and serve hot.