Oatmeal cookies

300 g toasted rolled oats
1 cup sugar
250 g margarine, softened
3 eggs, at room temperature
1 tsp baking powder

Mix margarine and sugar until fluffy. Add eggs, one at time, mixing wellafter each. Add oats and baking powder and mix well. Let mixture stand for half an hour. Using a spoon, place mixture onto a baking sheet lined with waxed paper. Be sure to leave approximately 2 cm between each cookie. Bake for 8-10 minutes at 200°C or until lightly brown. Remove cookies and place them in a single layer on an even surface to cool.