Steak, Guinness® and Oyster Pie

Name: Steak, Guinness® and Oyster Pie
Prep time: 15 min
Total time: 15 min
Yield: 4 porties
Cuisine: Belgian
Ingredients: olive oil; stewing steak; fine sea salt; ground black pepper; garlic cloves; onions; plain flour; beef stock cube (for 0.5 l); water; Guinness®