In Dortmund style potatoe and onion soup

Ingredients

• 500 grams onions, finely chopped
• 800 grams potatoes, chopped
• 50 grams butter
• 1 liter vegetable broth
• 2 tablespoons mustard
• salt
• pepper
• 4 fresh sausages
• vegetable oil for frying
• fresh chives

Preparation method (receipt)

Saute onions and potatoes in butter, pour broth and simmer until tender about 15 minutes. Make a smoothie blender, add the mustard, salt and pepper. Fry the sausages until golden, cut into circles and add to the soup. Serve sprinkled with chopped chives.