Roasted parsnips with caper vinaigrette
Ingredients 4 parsnips (around 700 g in total) 2 red onions 90 ml olive oil 4 sprigs of thyme 2 sprigs of rosemary 1 head garlic, cut in half horizontally Salt and black pepper 2 sweet potatoes (around 600g) 20 cherry tomatoes, halved 2 tbsp white-wine vinegar 2 tbsp baby capers (or larger ones roughly…