• 400g lamb mince
• 400g beef 
• 2 onions
• 1 tbsp thyme 
• 5 garlic cloves
• 1 punnet mushrooms 
• 2 medium carrots, finely chopped 
• 1 tbsp tomato purée 
• 1 carton of sieved tomatoes 
• 4 tbsp Worcester sauce 
• 1 tsp sugar
• 1 tsp salt
• 1 tsp oregano 
• 2 stock cubes/pots (chicken or whatever) 
• 3 tbsp of gravy granules 

Brown onions and carrots, low and slow
Add mince and brown with garlic and thyme 
Add remainder of ingredients (except gravy granules) pressure cook for 5 minutes and then instant release
Add gravy granules to mixture and mix until thickened
Add to pie dish, top with cheesy mashed potato