Makes 10-12 muffins • From the kitchen of Robert O' Mahony
4 ounces butter or margarine, at room temperature
2 1/2 ounces caster sugar
1 ounce dark brown sugar
2 eggs, at room temperature
7 1/2 ounces plain flour
1 teaspoon baking powder
4 fluid ounces milk
6 ounces plain chocolate chips
Preheat the oven to 375 F/ 190 C/ gas 5.
Grease 10-12 muffin cups or use paper cases.
Cream the butter until soft. Add both sugars and beat until light and fluffy.
Beat in the eggs one at a time.
Sift together the flour and baking powder into the butter mixture alternating with the milk.
Divide half the mixture between the muffin cups
Sprinkle several chocolate chips on top, then cover with a spoonful of the batter.
To ensure even baking, half-fill any empty cups with water.
Bake until lightly colored, about 25 minutes.
Let stand for about 5 minutes before turning out.