Osso Buco with Pumpkin and Basil Pesto

Ingredients

• 4 large pieces osso buco (approx. 1.5kg)
• 3 tbsp plain flour
• 1 tbsp olive oil
• 1 small brown onion, finely diced
• 2 cloves garlic, minced
• 1 cup beef stock, plus extra
• 1 cup white wine
• 2 cups pumpkin, peeled and cut into 3cm cubes
• Salt and pepper
• 2 cups basil leaves, plus extra for garnish
• ¼ cup pine nuts
• 1 clove garlic, peeled
• ¼ cup olive oil
• 40g parmesan, finely grated