Vanilla Chiffon Cake with Fresh Strawberry Filling

Ingredients

• 2½ cups all-purpose flour (sifted)
• 1½ cups cups granulated sugar
• 1 tbsp baking powder
• 1 tsp salt
• 7 large eggs (separate yolks and whites)
• ½ cup vegetable oil
• 1 tbsp vanilla extract
• ¾ cup water
• ½ tsp cream of tartar
• 2 cups fresh strawberries (hulled and chopped)
• ½ cup granulated sugar
• 1 tbsp lemon juice
• 1 tbsp cornstarch (optional, for thickening)