What are typical Taiwanese habits, food customs, recipes and philosophies in Taiwan?

What are the customs in Taiwan regarding food?

Leave some food on your plate. It shows appreciation for the amount of food served and is considered polite.
Characteristic are the many choices of dishes that you eat together with rice. Rice is the staple food.

Stinky tofu, chou doufu: Don't let the name fool you! Stinky tofu is a popular Taiwanese street food made from fermented tofu that has a strong odor but a surprisingly mild and creamy flavor. It's usually served deep-fried and topped with a variety of sauces and pickles.
Taiwan is famous for the amount of streetfood available. The Taiwanese kitchen is a blend of Chinese and indigenous food. The focus is on fresh ingredients, bold flavors, and variety.

Taiwan is famous for it's tea. There are tea plantations found in Taiwan, from Oolong to Jasmine tea.
Bubble tea is a Taiwanese invention called the king of Taiwanese drinks, bubble tea is a global phenomenon. This sweet and creamy concoction features a tea base (usually black or green tea) with chewy tapioca pearls and other toppings like jellies, fruits in all kinds, and whipped cream.
Wheat Grass Tea is an unique and healthy drink, wheatgrass tea is made from the young shoots of the wheat plant. It has a grassy flavor and is believed to have various health benefits.

KTV – Karaoke is a popular waste of time or night.
Founding Day of the Republic of China (ROC) is on January 1. This is a three-day bank holiday that celebrates the founding of the ROC in 1912.
Chinese New Year (depending on the moon, in general late January or February): This is a 15-day holiday that is the most important holiday in Taiwan. It is a time for families to come together and celebrate the beginning of the new year.
Tomb Sweeping Day is on April 5. This day is a time for families to visit the graves of their ancestors and clean them.
Mid-Autumn Festival (September). This festival is also known as the Moon Festival. It is a time to celebrate the harvest and give thanks for the bounty of the earth. Mooncakes are a popular food during this festival.
All festivals have their specific traditions and customs.

Politeness - Taiwanese people are very polite and respectful. It is customary to bow when greeting someone and to say “thank you” and “please.”
Respectfulness - Taking off shoes when entering a house: In Taiwan, it is customary to take off your shoes before entering someone's house. This is done as a sign of respect and to keep the house clean.
Respect for elders is considered vital, as is loyalty toward the family
Cleanliness - Using toilet paper with the right hand: In Taiwan, toilet paper is used with the right hand, while the left hand is considered unclean.
Convenience stores – Open 24/7, with a variety of food, drinks and everyday items available.
Gift giving is an art and gifts have a meaning. Knives and scissors are not appreciated and will be seen as severing a relationship. Clocks and handkerchiefs are best avoided, that will be connected to death and funerals.
Check the label of the gift you would like to give: made in Taiwan is not an interesting gift and the recipient from Taiwan already has (all) things made in Taiwan.