Tuna spinach and feta cheese strudel - Aceline

Ingredients

• 400g puff or short crust pastry
• 2 red onions, diced
• 3 cloves garlic, chopped
• 1 tbsp olive oil
• 3 x 160g tins tuna, drained
• 2 bags baby spinach leaves
• 100g black Kalamata olives, sliced (Camel Brand)
• 320g feta or white cheese (Camel Brand)
• 60g toasted pine nuts (Lamb Brand)
• 1 egg beaten, to glaze
• 1 tbsp mixed sesame seeds