Prep Time: 15 minutesCook Time: 35 minutesTotal Time: 50 minutesServings: 8Ingredients1 cup all-purpose flour, sifted1 tsp baking powder1/4 tsp salt4 large eggs, separated3/4 cup granulated sugar1/2 cup milk (whole or plant-based)1/4 cup unsalted butter, melted1 tsp vanilla extract (optional)1 cup fresh blueberries, lightly tossed in flourPowdered sugar for dusting (optional)Instructions1. Preheat & Prepare:Preheat oven to 350°F (175°C). Grease a 9-inch cake pan and line with parchment paper.2. Prepare Batter:Separate eggs. Beat yolks with sugar until creamy and pale.In another bowl, sift together flour, baking powder, and salt. Fold into egg yolk mixture.Mix milk, melted butter, and vanilla; gently combine.3. Whip Egg Whites:Beat egg whites until stiff peaks form. Carefully fold them into the batter to maintain fluffiness.4. Add Blueberries:Toss blueberries in a little flour and gently fold into the batter to prevent sinking.5. Bake:Pour batter into prepared pan. Bake 30–35 minutes, or until a toothpick comes out clean. Cool for 15 minutes before removing.6. Serve:Dust with powdered sugar or drizzle with lemon glaze. Serve warm or at room temperature.TipsUse room temperature eggs for a fluffier cake.Avoid overmixing to maintain airy texture.Center the pan in the oven for even baking.Try variations: lemon zest, chocolate, vegan alternatives, or mini cakes.