4In a small bowl, mix the greek yogurt, diced gherkins, mustard, ketchup, and a dash of worcestershire sauce to make the side sauce.
5Drain the boiled potatoes and place them into a glass baking dish. Season with spices and bake.
6Cook the beef mince in a pan until browned.
7Stir in tomato puree, mustard, and worcestershire sauce into the beef.
8Top the beef with slices of lighter cheese and cover the pan to melt.
9Assemble the meal prep containers by dividing the cooked potatoes, the cheesy beef mixture, shredded lettuce, diced tomatoes, and extra gherkins. Drizzle with the side sauce and garnish with sesame seeds.