Boil the sweet corn kernels in enough water and set aside.

In a bowl, combine the boiled sweet corn kernels, chopped red bell pepper, Greek yogurt, parsley, red chilli flakes, and salt.

Mix all ingredients evenly to create the filling.

Toast whole wheat bread slices using a bread toaster or skillet on the stove top.

Diagonally cut each toasted bread slice.

Place a generous amount of sandwich filling on each bread slice.

Prepare the remaining sandwiches.

Serve immediately with orange juice.