→ Meat
01 -
680 g beef filet, cut into twelve 2.5-by-5 cm pieces
02 -
1 tsp kosher salt
03 -
1/2 tsp black pepper
→ Vegetables and Herbs
04 -
170 g cremini mushrooms, stems removed
05 -
1 medium onion, finely diced
06 -
1 tbsp fresh thyme, minced
07 -
Chopped fresh parsley, for garnish
→ Dairy and Oils
08 -
15 g salted butter
09 -
15 ml olive oil
10 -
1 large egg, separated and beaten
→ Baking and Condiments
11 -
1 tbsp Dijon mustard
12 -
490 g frozen puff pastry, thawed
13 -
All-purpose flour, for dusting
14 -
1 tsp sea salt flakes
→ Sauce
15 -
Bottled horseradish cream sauce, for serving