Tuna steak recipe with caramelized onions and sides

Ingredients

• 4 medium (fresh) Tuna steaks
• 300grs new potatoes (depending on size, washed halved and cooked)
• 250grs Greek yoghurt tub
• a little bunch of chives (chopped)
• 2 onions
• 2 parsnips (cut in half, then in half lengthways and finally thinly sliced)
• 2 garlic cloves (minced)
• 4 soup spoons of balsamic vinegar
• 1 tea spoon of butter
• 1 tea spoons of honey
• 1/2 tea spoon of brown sugar
• some olive oil
• salt and black pepper to taste
• 1/2 tea spoon sweet paprika
• 1 soup spoon of sesame seeds