Don't cook meat until you watch this video. It turns out tastier than in a restaurant

Ingredients:
1 kg (2.2 lb) pork tenderloin.
Salt and pepper.
50 g mustard.
1 onion.
2 pickles.
Tie it up.
Bake at 180°C/356°F for 20 minutes.
4 potatoes.
Salt.
Cover and cook until soft.
1 carrot.
1 liter of broth.
2 tablespoons of tomato paste.
1 teaspoon of salt.
Bake at 180°C/356°F for 1 hour.
Salad mix.
1/2 cucumber.
1/2 red onion.
1 tomato.
Salt and pepper.
1 teaspoon of sesame seeds.
Olive oil.
30 g butter.
100 ml of milk.