This Chicken submarine bun contains grilled Spicy Chicken, sauteed capsicums, onions, cheese, mayo in a sesame bun. The success of the unique recipes of Dinemore propelled it to become the first Sri Lankan origin international fast food restaurant chain. So much for so little, it`s Chicken submarine bun varieties are a firm favourite. The restaurant captured the hearts of the Colombo fast food Lovers and became a favourite dining location for many.