Advertisement
Marc Grossman
16 squares
Medium
55 min
By Marc Grossman
Published 2013
Preheat the oven to 180°C (350°F/Gas 4). In a saucepan, melt the butter over low heat and whisk vigorously for a few minutes with the oil, sugar, eggs and vanilla. Remove from the heat. Combine the dry ingredients, then stir in the butte