Different variants of spelt bread, as well as delicious muffins and great pizzas, are available. Biográ Bread-Making Bio-Yeast is indicated for fermenting bread and pastry doughs. Always mix with the flour and ingredients. Never mix directly with water. Follow the recipe instructions. Dosage: For every 500 g of flour, use 9 g of Biográ yeast. Instructions for use: Always mix with the flour and ingredients. Never mix directly with water. Follow the recipe instructions. Dosage: For every 500 g of flour, use 9 g of Biográ yeast. Ingredients: Dry organic yeast (100%).