Grape Mostarda – Sabato

Ingredients

• 2 Tbsp extra virgin olive oil
• 1 small red onion, chopped finely
• 2 cloves garlic, crushed
• 3 cups seedless red grapes
• 2 Tbsp brown sugar
• 3 Tbsp Giusti balsamic vinegar
• 2 tsp yellow mustard seeds
• ¼ tsp Piment d’Espelette pepper
• 1 tsp rosemary, chopped finely
• 1 orange, finely grated zest and juice
• ¼ cup water
• Salt