Bertha Hayes's Cornmeal Brownies

• 8 pans (square)
• 4 eggs
• 3 tblsp butter
• 3 sqares unsweetened chocolate
• 400 gr sugar
• 140 gr nuts (chopped)
• 130 gr flour
• 120 gr cornmeal
• 7 gr baking powder
• 7 gr vanilla extract