Beef Crumble with Red Onion Marmalade - Stokes Sauces

Ingredients

• 1 tbsp olive oil
• 450 g minced beef
• 2 tbsp Stokes Red Onion Marmalade
• 1 tbsp Stokes Tomato Ketchup
• 300 ml beef stock
• 50 g butter
• 60 g flour
• 50 g cheddar cheese, grated
• 25 g of oats
• 1 tsp dried mixed herbs