Pie Under a Roof - Danerolles

Ingredients

• 1 can Danerolles Croissants Extra Large
• 2 red onions
• 2 garlic cloves
• 400 g carrots
• 1 bush celery
• 1 kilo lean braising steak
• 3 tablespoons olive oil
• 2 tablespoons salt
• 2 tablespoons flower
• 2 rosemary twigs
• 600 ml dark beer
• 150 g grated cheese and milk or egg to sprinkle the top with