A yolk sauce includes a whipped material, and the whipped material includes 30 to 60 weight parts of oil, 30 to 60 weight parts of yolk solution, 1 to 10 weight parts of starch and 1 to 10 weight parts of condiment. The specific gravity of the whipped material is between 0.55 and 0.9. Accordingly, a bakery product has good appearance and satisfactory flavor of yolk.一種蛋黃塗醬,其包括一打發食材。此打發食材包括30至60重量份的油脂、30至60重量份的蛋黃液、1至10重量份的澱粉以及1至10重量份的調味品,並且打發食材的比重介於0.55及0.9之間。藉此,有利於製備出具美觀外型及良好蛋黃口味的烘焙食品。S10‧‧‧將複數種基本材料混合成混合物S20‧‧‧對混合物進行攪拌以形成打發食材,其中打發食材的比重介於0.55及0.9之間
