Orange and Almond Macaroons

From the Sainsbury seasonal selection of recipes. I haven't tried this yet but am looking forward to. If anyone finds out how many eggs makes 75ml of white, share your discovery (or I will when I get round to it)!

• Ready In: 55 mins
• Yields: 24 macaroons

Ingredients

• 200  g caster sugar
• 30  g granulated sugar
• 100  g  ground almonds
• 15  g  rice flour (it should be ground rice, not sure if this is the same as rice flour)
• 75  ml  egg whites
• 1  small orange, zest of (or clementine)
•  sliced almonds (for decorating the tops)

Directions

1. Preheat the oven to 350F, 180C, GM4.
2. Sift the sugars, almonds and ground rice into a bowl.
3. Add the egg white and orange zest, beat thoroughly with an electric beater for 5 minutes.
4. Allow the mixture to stand for 10 minutes, then continue beating for a further 5 minutes.
5. Pile the mixture into a piping bag, fitted with a 2.5cm plain piping nozzle.
6. Pipe the mixture onto bakewell or rice paper. Press a flaked almond onto the top of each macaroon.
7. Bake until light brown (20-25 min).