Beef Wellington with Mashed Potatoes, Steamed Carrots and Madeira Sauce

Name: Beef Wellington with Mashed Potatoes, Steamed Carrots and Madeira Sauce
Prep time: 1 h 40 min
Cook time: 2 h 40 min
Total time: 2 h 40 min
Yield: 4 portions
Ingredients: ½ oz dried porcini mushrooms; 4 ½ oz boiling water; 1 tbsp vegetable oil; 17 ½ - 24 oz beef tenderloin; salt; ground black pepper; 10 ½ oz fresh button mushrooms; 2 shallots; 2 oz unsalted butter; 3 - 4 sprigs fresh thyme; 4 oz Madeira wine; 13 oz puff pastry; 1 large egg; 17 ½ oz water; 21 oz carrots; 12 oz whole milk; 35 oz potatoes; 1 tsp salt; 1 ½ oz Madeira wine; ground black pepper; 1 oz unsalted butter