Boil beef mince with beef stock, 2 cups water and ginger garlic powder and evaporate all it's water

In another pan melt butter and add flour, whisk it for 2-4mins then gradually add milk and keep stirring until you achieve your desired consistency

After that add salt and black pepper powder and whisk again and keep it aside

In a bowl add mayonnaise, grated cheese, white sauce and beef mince.
Mix everything well

Now place a lettuce in the lower bun,then scoop a beef mince on top then in last add some cucumber slices and then the top of the bun

On the top of sliders place a piece of olive with a skewer and serve