Braised beef stew with fluffy dumplings

Ingredients

• 500 g beef shanks
• 2 tbsp olive oil
• 2 cloves of garlic
• 3 orange carrots
• 2 yellow carrots
• 3 large onions, peeled
• 1 celery stick, cut on chunks
• 2 sprigs of parsley
• 1 sprig of thyme
• 1/2 small leek
• 250 ml red wine
• 1 bay leaf
• 1 tsp dijon mustard
• 70 g butter, softened
• 30 g brioche bread
• 130 g all - purpose flour
• 1 handful of parsley, chopped
• 1 tsp baking soda