Caramel Filled Biscuits Recipe

2 1/2 cups flour
1 1/2 teaspoons baking powder
2 teaspoons sugar
pinch salt
grated rind of 1/2 lemon
1/2 cup butter
2 egg yolks
1 tablespoon milk
dulce de leche
1/3 quantity of sugar glaze

Sugar glaze:
4 cups sugar
1/3 cup hot water
1 teaspoon lemon juice

Place flour, baking powder, sugar and salt in a bowl. Add butter and mix in with back of a fork. Drop egg yolks and milk into a well in the center. Use fork to combine then knead lightly and let stand 15 minutes. Roll out to 2-3mm (1/8 inch) thickness and cut circles of 6 cm (2 1/2 inches) diameter. Prick well with a fork and place on greased baking sheet. Bake in hot oven for 8 - 10 minutes. When cold, fill 2 halves with dulce de leche then top with the sugar glaze.

For the glaze: Place all ingredients into a small mixing bowl and beat at high speed until a dry foam is obtained.