Tomato and smoked cheese tart

Ingredients

• 1 quantity rough puff pastry (recipe below)
• 4 tbsp wholegrain mustard
• 3/4 cup smoked cheddar, grated
• 1/2 cup fresh breadcrumbs
• 300 g cherry tomatoes, whole or halved
• 1/2 cup black olives
• 3 tbsp olive oil, plus extra for drizzling
• 1/2 tsp salt and decent grind black pepper
• handful fresh basil leaves
• Easy rough puff pastry
• 250 g flour
• pinch sea salt
• 225 g chilled butter
• 150 ml iced water