Roti bakar

is a popular breakfast food as well as tea time snack in countries like Brunei, Indonesia, Malaysia and Singapore known as or roti kahwin. It uses white bread grilled or toasted over charcoal, though this practice has dwindled with the advent of sandwich presses.
Common spreads for include sugar, margarine, butter, cheese, peanut butter, chocolate spread and kaya.

Variants

Indonesia

In Indonesia, is usually prepared as a sandwich of grilled white bread with a filling, consumed both as a light breakfast and a common street food. It was developed during the era of Dutch colonial rule as a practical way to consume day-old bread; it was typically served with butter, condensed milk, or Dutch cheeses. After Indonesian independence, became ubiquitous throughout Indonesia, as consumption of toast became a matter of taste rather than frugality.
Many flavors have been developed for modern tastes, such as sprinkles, crushed Oreo biscuits, or chocolate syrup.

Malaysia and Singapore

In Malaysia, coconut jam and cold butter are a popular combination to spread on. This may be the inspiration for the Singaporean kaya toast which was created by Hainanese immigrants.
The city of Ipoh in Perak is known for its kopitiam establishments, where accompanied with local tea or coffee beverages and a serving of half boiled eggs is a staple order during morning or afternoon tea.
A variation on is, a thick warm toast with kaya spread onto all four corners and topped with a half-boiled egg.