У вашего броузера проблема в совместимости с HTML5
Triple Chocolate Brownies Recipe
1 ¼ cup flour
½ teaspoon salt
¾ teaspoon baking powder
1 teaspoon vanilla sugar or 1 tablespoon vanilla extract
6 ounces of chocolate chips
12 tablespoon butter
2 cups of sugar
4 large eggs
1 ½ cup chocolate chips