Quick Tuna Melt Toasts (Ready in Under 15 Minutes!) - Yummy Expert

Ingredients

• 1 small red onion, finely chopped (or yellow onion)
• 2 cans tuna in oil or water, drained
• 100 g sweet corn (canned or frozen)
• 2 tbsp mayonnaise
• 1 handful fresh parsley, chopped (or dill, optional)
• A few pieces of sun-dried tomatoes, chopped (optional)
• Salt and black pepper, to taste
• 2 tbsp oil from sun-dried tomatoes or olive oil
• 4 slices bread (toast bread or any type you have)
• 4 slices cheddar cheese (or other melt-friendly cheese)