Stilton and Walnut Biscuits with Roasted Garlic Jam

Name: Stilton and Walnut Biscuits with Roasted Garlic Jam
Prep time: 30 min
Cook time: 4 h
Total time: 4 h
Yield: 8 portions
Ingredients: 8 garlic bulbs; olive oil; ¼ tsp fine sea salt; ¼ tsp ground black pepper; 80 g walnuts; 120 g unsalted butter; 340 g Stilton; 200 g plain flour; ½ tsp dried thyme; ½ tsp fine sea salt; ¼ tsp ground black pepper; 1 medium egg; 200 g onions; 350 g caster sugar; 80 g white wine vinegar; 80 g water; 2 pinches fine sea salt