Take a saucepan and saute garlic with butter and olive oil.
Add chopped onion and carrot to the saucepan when the garlic turns brown.
Now, add ground lamb to the saucepan.
Add tomato and peas to the saucepan.
Add rosemary and thyme into the saucepan. Along with this, season the mixture with salt and black pepper.
Pour tomato puree into the mixture.
Add the stock to the saucepan.
Add Worcestershire sauce to the mixture and cook for a few minutes till done.
Now, in another saucepan, boil the potatoes till tender.
In another bowl, mash the boiled potatoes with egg yolk.
Follow that by adding butter to the mashed potatoes.
Add parmesan cheese to the mix.
Transfer the sauce topped with the mashed potatoes to a pan.
Lastly, put the pan in the oven at 375 degrees Fahrenheit for baking.
Your delectable Gordon Ramsay Mashed Potatoes are ready to serve!
