Cheesy chimichurri rolls

Ingredients

• 1 puff pastry sheet
• 3 1/2 oz cheddar cheese
• 2 1/8 oz parsley
• 1 oz cilantro
• 4 cloves garlic
• 1 red onion
• 1 oz jarred black olive
• 2 tsp chili flakes
• 2 tsp dried oregano
• 2 tbsp red wine vinegar
• 1/3 cup olive oil
• salt
• pepper
• flour (for dusting)