blueberry and plum chutney - Lesley Stowe Raincoast Crisps

Ingredients

• 1 Tbsp. olive oil
• 1/2 sliced small red onion
• 3 Tbsp. minced ginger
• 1/2 cups brown sugar
• 12 pitted plums
• 1-1/2 cups blueberries
• 1/2 cup orange juice
• 1/2 cup raspberry vinegar
• 1/2 tsp. ground allspice
• 1/2 tsp. nutmeg
• sea salt and coarse black pepper to taste