In a bowl mix together the chopped tomatoes onion and bell pepper
Lay out the bread slices on a platter and spread about 2 heaped teaspoons of salsa evenly on one side of each slice
Top the slices with a sprinking of oregano about 1/2 teaspoon each
Spoon the veggie mixture over each slice of bread and ensure that the base of the bread is evenly covered but not overloaded
Top with 1/2 tablespoon of blanched corn over each slice followed by an even and generous sprinkling of grated cheese
Toast the bread-pizzas on the grilling rack of a preheated oven 300 degrees Celcius for 5-8 minutes or until the bottoms of the bread slices are lightly browned