Italian "Baked" Beans

Name: Italian "Baked" Beans
Prep time: 15 min
Cook time: 1 h 15 min
Total time: 1 h 15 min
Yield: 8 portions
Ingredients: 225 g onions; 2 garlic cloves; 225 g pancetta; 225 g tomato sauce; 225 g vegetable stock; 45 g molasses; 30 g dark brown sugar; 30 g Dijon mustard; 1 tsp dried oregano; 1 tsp dried basil; 1 tsp salt; ½ tsp dried sage leaf; ¼ tsp ground black pepper; ¼ tsp dried red chilli flakes; 3 cans cannellini beans; 1 - 2 sprigs thyme, fresh