Flour tortillas filled with black beans ... Pop them in a preheated oven about 30 minutes before you want to eat and dinner is served. Drain black beans and dump them into a large bowl.

(This trick works with flour tortillas ... 15 minutes, or until warm and pliable. Set a tortilla on a microwave-safe plate, and cover with a damp cloth or damp paper towel. Microwave in 30 ...

Although flour tortillas are very easy to make at home, a few long-life brands are sold in UK supermarkets. In the southern states of the USA and in South America, tortillas are readily available ...