Blueberry Apple Chutney

Ingredients

4 cups peeled and cubed apples 
3/4 cup blueberries (fresh or frozen) 
3/4 cup raisins 
1 medium onion 
2-4 garlic cloves 
300 g dark brown sugar 
150 ml apple cider vinegar 
1 tsp each of cinnamon, ginger, and red chilli pepper 
salt and pepper to taste

In a large pot, mix brown sugar and vinegar. Cook over medium heat until the sugar is dissolved. Add all other ingredients except the blueberries and cook to a thick consistency (2-3 hours) At low heat, stir constantly, add blueberries, remove from heat.