Yam is essentially carbohydrate-based but the protein in the beef helps add balance to the dish. It only needs vegetables to complete the nutritional balance.
Serves: 4 people
For filling
150 g minced beef
1 large onion (finely chopped)
1 egg (beaten)
1 1/2 tablespoons oyster sauce
1/2 yam (skinned and cut into large cubes)
1 teaspoon cornstarch
2 teaspoons margarine
salt and pepper to taste
For sweet & sour sauce
3 tablespoons tomato ketchup
5 - 6 cherry tomatoes (cut into halves)
1 onion (cut into rings)
1 small lime
1 teaspoon sugar
100 - 150 ml water (blended with a teaspoon of cornstarch)
1.
Boil yam cubes in water seasoned with 1 teaspoon margarine, salt and pepper till soft. Drain and mash with 1 teaspoon cornstarch. Leave aside to cool.
2.
Melt remaining margarine in a pan and lightly fry the onions. Add minced beef and oyster sauce, with a little pepper to taste. Turn off heat and cool.
3.
Pinch off about 1 spoon of yam paste and flatten into a circular shape. Place 1 teaspoon of filling in the centre and carefully wrap around the edges to form a ball.
4.
After making all the yam balls, dip each one in the egg mixture before rolling in breadcrumbs.
5.
Heat oil in a frying pan and fry yam rolls till golden brown. Drain and leave aside to cool.
To make the sauce Combine all ingredients with water and cornstarch. Simmer over low heat until gravy begins to boil and thicken. Turn off heat, leave aside to cool. Pour over yam rolls. Serve immediately.