Big Batch Italian Stromboli - Canadian Beef | Canada Beef

Ingredients

• 1 tbsp canola oil
• 1.5 lb (750 g) Lean Ground Beef
• 1 cooking onion, diced
• 1 green pepper diced
• 300 g frozen spinach OR 8 cups fresh baby spinach
• 1 tbsp dried oregano
• 1 tsp chili flakes (optional)
• 1/2 tsp salt
• 1/2 tsp ground pepper
• 2 ½ cups passata (crushed tomatoes), divided
• 750 g pre-made pizza dough
• 1 tbsp flour
• 1 ½ cups grated mozzarella cheese
• 1 tbsp sesame seeds