Clean the squid by removing the beak, ink sac, squid backbone and innards. Wash in running water and drain. Slice the body into rings.
In an empty pan or pot, add 5 cups of water and season with salt and pepper. Bring to a boil.
Add the squid and blanch for 30 seconds then remove from the pan and wash in running water. Put on a colander and set aside.
In an empty pan, heat cooking oil and sauté onion and ginger in high heat for 10 seconds.
Add the squid, season with salt and pepper then stir for half a minute. Remove from pan and set aside.
To make the sweet spicy sauce: In an empty bowl, combine soy sauce, catsup, hot sauce or chili flakes, sugar, garlic powder and honey. Mix until well combined. Set aside.
In the same pan, heat the butter until melted. Add garlic and sauté until slightly brown.
Add the sweet spicy sauce, calamansi juice and squid broth then stir until the sauce is slightly thick. Turn off the heat.
Add the squid and toss until the squid is coated with the sauce. Serve hot and enjoy!