1. Preheat oven to 180°C (350°F). 
2. Mix together the barley, eggs, milk, maple syrup, flaxseed, and almond extract in a large bowl. Add raspberries and combine gently.
3. Pour mixture into a 34 cm x 23 cm (13 in. x 9 in.) greased baking dish. Top with blueberries, almonds, and pecans.
4. Bake about 30 minutes. 
5. To serve, garnish with a spoonful of Greek yogurt.

Chef's secret: For convenient individual servings, divide the mixture into small greased ramekins before baking them in the oven.