Ingredients:
- 1 large beef filet mignon (approx. 1 kg)
- 400 g mushrooms, finely chopped
- 1 shallot, finely chopped
- 1 teaspoon BAM garlic powder
- 1 teaspoon BAM onion powder
- 2 garlic cloves, finely chopped
- 2 tablespoons butter
- Salt and pepper to taste
- 1 packet of puff pastry (approx. 500 g)
- 2 tablespoons mustard (preferably Dijon)
- 1 egg for coating
- Olive oil