November 30, 2009 - 16:44 GMT hellomagazine.com Serrano Ham and King Prawn Tostadas Ingredients (makes 8 raciones) 4 slices of french stick. 8 king prawns (peeled and de-veined, tails left on) 1 jar tomato salsa Fresh basil Grated Manchego cheese 3 slices serrano ham Method Take your bread slices and spread a generous amount of salsa over each piece. Carve two generous slices of serrano ham and cut into strips, place these on top of the salsa. Place two king prawns on top of the serrano ham. Grate a little manchego cheese over the top then add the basil (mixed herbs also work well). Grill in the oven for 15 – 18 minutes.