• - Drain tuna and place in a large bowl, add onions, oil and lemon juice, season with salt and pepper, mix till well combined.

  For Tuna melt

• - Preheat oven to 180 degrees Celsius.
• - Brush toast bread with butter.
• - Toast or pan-fry from both sides until golden, place in a sheet pan, top with tuna mixture.
• - Cover with sliced tomato, top with mozzarella cheese.
• - Place in the oven till cheese melts about 10 minutes. Serve warm.

  For cheddar bites

• - Remove the edges of toast; flatten bread slices slightly using a rolling pin.
• - Press each slice in prepared muffin molds forming a cup.
• - Fill the cups with tuna mixture, top with cheddar cheese, brush the edges with melted butter.
• - Bake for about 15 minutes or until cheese melt.
• - Remove from oven and serve.