Step 1

Drain the canned tuna very well. In a pan over medium heat, cook the tuna until browned.

Step 2

Add soy sauce and pepper. Stir until well incorporated.

Step 3

Add the onion and red chili. Stir until well-distributed. Remove from heat.

Step 4

Place a sizzling plate over medium-high heat. Once heated through, melt the butter. Transfer the tuna mixture and let it sizzle for a few minutes.

Step 5

Remove from heat then top with chicharron, green chilies, and calamansi.