Prep all ingredients as listed above.

Form patties: Mix ground beef with Worcestershire sauce, salt, and black pepper. Shape into patties.

Make sauce: Mix ketchup, mayonnaise, and mustard until combined. Set aside.

Heat grill or grill pan over medium heat.

Grill corn: Grill corn until tender and charred. Spread with butter, season with salt and pepper, and cut in half to serve.

Cook the burger patties on each to desired doneness. Place cheese on patties and let melt during the final minute of cooking.

Fry eggs: Melt the butter in a skillet over medium heat, fry eggs to preference (sunny side up or both sides). Remove from heat.

Toast buns: Place buns cut-side down on grill until golden brown.

Assemble burgers: Spread sauce on buns. Layer lettuce, tomato, patty, red onion, and fried egg. Top with bun.

Make mango lassi: Blend mango, yogurt, milk, cardamom, and sugar until smooth. Adjust sweetness as needed.

Serve the burger with grilled corn, watermelon slices, and mango lassi.