Ingredients: • 200 g minced Beef (boiled) • 5 g mushroom (chopped) • 3 tsp Mayonnaise • 2 Potatoes (boiled) • 1 Cucumber (sliced) • 1 Onion (sliced into rings) • 1 Tomatoes (sliced) • 4 Cheese Slices • 1 Egg • 4-5 Buns • 4 tbsp Sunflower Oil • 4 Lettuce Leaves • Salt (to taste) • Black Pepper (to taste) How to make Beef Burger: • Combine beef with potatoes,mushroom and egg to mix finely. • Divide into balls and press a little to flatten into cutlets. • Heat oil and fry on both the sides until brown. • Cut a bun into half and spread mayonnaise. • Place a fried meat cutlet over one half of the bun. • Layer with onion rings, cucumber slice, tomato slice, cheese slice, and lettuce leaf. Cover with the other half bun. • Repeat with the other buns, meat cutlets, and vegetables.