Beef and Vegetable Soup (America's Test Kitchen)

• 1 lb sirloin tip steak, trimmed of most excess fat
• 2 tablespoons soy sauce
• 1 teaspoon vegetable oil
• 1 lb cremini mushroom, stems trimmed, caps wiped clean and quartered
• 1 large onion, chopped medium (about 1 1/2 cups)
• 2 tablespoons tomato paste
• 1 medium garlic clove, minced or pressed through a garlic press (about 1 teaspoon)
• 12 cup red wine
• 4 cups beef broth
• 1 34 cups low sodium chicken broth
• 4 medium carrots, peeled and cut into 1/2-inch pieces (about 2 cups)
• 2 medium celery ribs, cut into 1/2-inch pieces (about 3/4 cup)
• 1 bay leaf
• 10 ounces red potatoes, cut in 1/2-inch pieces (2 cups)
• 1 cup frozen peas (optional) or 1 cup frozen corn (optional) or 1 cup frozen cut green beans (optional)
• 1 tablespoon unflavored gelatin (powdered)
• 12 cup cold water
• 2 tablespoons minced fresh parsley leaves
• table salt
• ground black pepper

1. Cut the flap meat in half across the grain, then cut each half into 1/2" pieces WITH the grain.
2. Cut the resultant strips into 1/2" pieces across the grain.
3. Season with soy sauce and toss.
4. Let marinate 15 minutes.
5. Heat 1 tsp oil in a Dutch oven over medium heat.
6. When it begins to smoke, add onion and mushrooms.
7. Let caramelize for 8-12 minutes.
8. When very deeply browned, transfer to a bowl.
9. Add beef to the pot and sear well, about 6 minutes.
10. Add garlic and tomato paste.
11. Cook about 30 seconds until garlic is fragrant.
12. Add red wine and scrape up the _fond_ on the bottom of the pan.
13. Cook until wine is very reduced and syrupy.
14. Add beef broth and chicken broth.
15. Add carrots, celery and bay leaf.
16. Add onions and mushrooms to pot.
17. Bring to a boil, reduce to a simmer, cover and cook 25 minutes.
18. If using potatoes, add after 10 minutes.
19. If using peas, corn or green beans, add during last 5 minutes of cooking.
20. Add gelatin to cold water and let stand 5 minutes.
21. Off heat, stir softened gelatin into pot until it dissolves.
22. Add parsley, adjust seasoning and serve.

soy sauce, vegetable oil, cremini mushroom, onion, tomato paste, garlic, red wine, beef broth, chicken broth, carrots, celery, bay leaf, red potatoes, frozen peas, unflavored gelatin, cold water, parsley, salt, ground black pepper

Taken from www.food.com/recipe/beef-and-vegetable-soup-americas-test-kitchen-367848 (may not work)