Step 1 Boil corn in a microwave oven. Chop onion and garlic. Heat 1 tbsp olive oil in a non-stick pan, add onion and garlic and sauté. Step 2 Chop the blanched spinach leaves and add chilli flakes, add and mix. Remove corn from microwave oven, drain and add along with salt, pepper powder and mix well. Step 3 Transfer the mixture into a bowl, add cheese and mix. Spread the mixture evenly on 4 bread slices, cover with remaining slices. Step 4 Drizzle some olive oil over each sandwich. Heat a sandwich griller, drizzle some olive oil over it and grill the sandwiches till both sides are evenly