Smoky Baked Beans

Ingredients

• 1 tbsp olive oil
• 1 onion, finely sliced
• 4 garlic cloves, crushed
• 2 tbsp thyme leaves
• 2 x 400g cans chopped tomatoes
• 1 tbsp brown sugar
• 2 tsp smoked paprika
• 2 tbsp worcestershire sauce
• 500g bacon bones
• 3 cups chicken stock
• 2 cans butter beans, drained
• buttered sourdough toast, to serve
• parmesan, grated, to serve