Purslane Stew with Meatballs Stewed in Brand Saison Beer

Ingredients

• 12 medium meatballs
• 1.2 kg Soprano potatoes
• 300 ml Brand Saison beer
• 300 g Purslane
• 2 Kohlrabi
• 4 garlic cloves
• 2 onions
• 4 tsp rosemary
• 2 tbsp flour
• 1-1/2 tbsp butter
• 2 tsp mustard
• to taste milk
• to taste salt
• to taste ground black pepper