Marinated Shallots

1. 2 shallots, thinly sliced
2. ¼ cup (60 ml) apple cider vinegar
3. 1 tbsp sugar
4. 1/4 tsp salt

Dip

1. 1 ½ cups (375 ml) 0% plain Greek yogurt
2. 3 oz (85 g) sliced smoked salmon, chopped
3. 2 tbsp (30 ml) prepared horseradish
4. 2 tbsp dill, finely chopped, plus more for serving
5. 1 tbsp capers, finely chopped
6. 1 tbsp (15 ml) lemon juice
7. 1 garlic clove, finely
8. Olive oil, for serving