In a bowl with minced meat, add beaten eggs, salt,lime juice and ketchup sauce

Mix them well till they're finely incorporated

Then fold them into sizeable ball shapes as you set aside

Press them now into rounded shapes

One by one, shallow fry them on a pan until both sides are evenly cooked

For the buns, cut each piece into two halves, apply margarine in the inner part this applied part of both halves on medium low heat

With one heated side facing up, arrange the veggies starting with the lettuce, sliced tomatoes the fried mince meat,ketchup sauce, white onion and finally the other half part of the bun

Continue the same process with the remaining buns and balls of minced meat

With the final achieved sandwich snack serve it immediately accompanied with a chilled drink